- 2005 Long Beach Dragon Boat Festival
 - Dragon boat competition in Long Beach, California, with Chinese traditional art demonstrations and dance, music, and martial arts performances. - A-Z San Diego Beaches
- Guide to beaches in San Diego County including La Jolla, Coronado, Del Mar, Pacific Beach, Mission Bay, Encinitas, and Carlsbad.
- About: California Nude Beach Guide
- Lists individual beaches by county as well as nude beach etiquette, maps, and directions.
- Absolute Dragons
- Boat racing team. Includes practice schedule, race results, photos, and more.
- Alamitos Bay Yacht Club
- Almaden Quicksilver@
- America True
- The San Francisco Yacht Club's challenge for the America's Cup 2000.
- American-Rivers.com
- Whitewater rafting information for California's North, Middle, and South Fork of the American River.
- Angel Island State Park@
- Angeles Girl Scout Council
- AnglerNet
- Northern and Central California online fishing and travel guide with maps, classifieds, and more.
- Ano Nuevo State Reserve
- Learn about 2-1/2 ton elephant seals that come to the reserve to give birth, nurse, mate, and molt. Headquartered in Pescadero.
- Ansel Adams Wilderness@
- Antelope Valley District
- Serving the high desert.
- Anthony Chabot Regional Park@
- Anza-Borrego Desert State Park@
- Area Parks Whiskeytown Shasta Trinity@
- Arques School of Traditional Boatbuilding
- Nonprofit organisation established to preserve and foster the art and craft of building small wooden boats.
- Backcountry Trails Program
- Resource conservation programme designed to take young men and women into the backcoutry for five months to build and maintain hiking and equestrian trails.
- Ballena Bay Yacht Club
- Bay Area Orienteering Club
- Explore parks with map and compass; beginners always welcome.
- Bay Area Regional Fishermen
- Saltwater fishing in the Bay Area.
- Bay Area Ridge Trail
- Council that's planning and building a 400-mile ridgeline multi-use trail around the San Francisco Bay Area.
- Beacon's Beach
- Offering local surfer profiles, an online tide guide, and other beach information.
- Berkeley Partners for Parks
- Nonprofit organisation dedicated to improving parks, community gardens and open space in the city.
- Berkeley Yacht Club
- Membership club located in the Berkeley Marina, on the south side of the harbour entrance channel.
- Bidwell Park
- Find information and events for the Chico Creek Nature Centre at Bidwell Park, in Chico, California.
- Big Basin Redwoods State Park
- Official site for California's oldest park, located in the Santa Cruz Mountains.
- Big Morongo Canyon Preserve@
- Big Sur Land Trust
- To protect for public benefit lands in Monterey County which are significant as natural habitat, open space, agricultural, watershed and recreational property.
- Bird Friends Of Lake Murray and San Diego County
- Offers birding hot spots, sightings, nesting habits, and photograph galleries.
- birding.com: California
- Includes locations, clubs, and a checklist of state birds.
- Birds of a Feather
- Society for those who choose the companionship of exotic birds.
- Blackberry Farm
- Amenities include picnic grounds, outdoor swimming pool, nine-hole golf course, and retreat centre.
- Bodie State Historic Park@
- Bouldering at Stoney Point
- Includes photos, ratings, locations, and more.
- Boulderingmadman
- Guide to technical rockclimbing and bouldering along scenic highway 395. Includes photos, recent events, directions, and descriptions.
- Boy Scout Troop 18
- Including photos, newsletters, news, and scout links.
- Briones Archers
- Archery club with 42 target range.
- BSA Troop 2
- Offers information on the activities of Boy Scout Troop 2.
- BSA Troop 236
- Offering a "boy led" programme with trained adult leadership and guidance.
- Cabrillo Beach Yacht Club
- Sailing, racing, cruising and power boating club located in LA harbour.
- Cabrillo National Monument
- Park including Old Point Loma Lighthouse and a statue and museum commemorating Juan Rodríguez Cabrillo's exploration of the California coast. Includes history, map, and calendar.
- Calfishing.com
- Information for Southern and Central California including tips, gear, photos, and humour.
- California Atlatl Association
- California BASS Federation
- Includes pages from its regional chapters.
- California Beach Tour
- Features beach cities and scenic locations, tourist destinations, and more.
- California Coastal Coalition
- Advocacy group committed to shoreline restoration through sand renourishment.
- California Coastal Trail (CCT)@
- California Creekin'
- Whitewater and touring guide to California.
- California Department of Boating and Waterways
- Information on boating access and safety.
- California Department of Fish and Game@
- California Department of Parks and Recreation@
- California Deserts
- Highlights recreational, educational, and cultural opportunities, and offers suggestions about planning a trip.
- California Dragon Boat Association
- Provides instruction, represents San Francisco-area teams, and organises the Northern California International Dragon Boat Championships.
- California Ducks Unlimited
- Official state web site for Ducks Unlimited providing information for members and chapters in California.
- California Fly Fishers Unlimited
- A fly fishering club. Includes news, calendar, membership, photos, and links.
- California Guide
- Information, photos, and stories from major California National Parks and Monuments.
- California Guide: Donner Memorial State Park
- Pictures, information, and brief history.
- California Hawking Club
- California International Sailing Association (CISA)
- Nonprofit organisation sponsoring youth amateur sailing.
- California Kayak Friends
- California Lakes
- Descriptions of lakes in Northern, Central, and Southern California.
- California Mountaineering Club
- Club of experienced mountaineers, dedicated to promoting mountaineering throughout California.
- California National Historic Trail
- California Outdoor Recreation Resources [gorp.com]
- Clickable map of outdoors destinations in California.
- California Park & Recreation Society
- California State Parks@
- California State Parks Foundation
- Nonprofit membership organisation dedicated to protecting and enhancing California's State Parks.
- California State Parks: Donner Memorial
- Official site.
- California Trout
- Striving to protect, preserve, and restore wild trout, native steelhead, and their waters.
- California Yacht Club
- Providing sailboat, powerboat, rowing and junior activities.
- California-Salmon.com
- Whitewater rafting information on California's Salmon River, located near Eureka in Six Rivers National Forest.
- CaliforniaHike.com
- Hiking guides and photo galleries for scenic trails throughout the state.
- Camp Fire Council of San Diego
- Provides after-school activity clubs as well as summer day camp programmes.
- Camp Ronald McDonald
- Teaches disabled children through the challenges of outdoor group living.
- Campground Guide to Nevada and the Eastern Sierras
- Maps and descriptions of public camp sites in Nevada and California.
- Campgrounds/RV Parks of California, Oregon and Nevada
- Listing of privately-owned camp sites and Caravan parks covering California, Oregon and Nevada.
- Campland on the Bay
- Year round activities calendar for all ages.
- Carnegie State Vehicular Recreation Area
- With a diversity of terrain ranging from rolling hills to steep canyons, Carnegie is a popular destination for off-road enthusiasts of all skill levels.
- Castaic Lake News
- Bass fishing reports guide and tackle services, includes maps and photos of big bass.
- Castle Crags Wilderness
- Located in the Shasta National Forest.
- Castle Rock State Park@
- Channel Islands National Marine Sanctuary
- Educating the public about the natural, cultural, and historical value of the oceanic and coastal waters. Offers sanctuary cruises and photodive workshops.
- Channel Islands National Park@
- Classic Sailboat Club
- Offers certified sailors the opportunity to sail folkboats on the San Francisco Bay.
- Clear Intentions Inc. - On The Edge
- Safety concious ropes course organisation.
- Cleveland National Forest
- Climbing Sonoma County
- Photos and route information presented by local climbers.
- Coachella Valley Recreation and Park District
- Providing youth and adult programmes to residents of La Quinta, Indio, Coachella, Palm Desert, Indian Wells, and a portion of the Rancho Mirage.
- Columbia State Park
- Conejo Recreation and Park District
- Information on all of the parks and their services.
- Conejo Valley Fly Fishers
- Local meetings, activities, and fly tying tips.
- Coppercreek Camps
- Private residential coed summer camp, with traditional, teen adventure, counsellor-in-training, and family camp programmes, located in the Northern Sierra of California.
- Corinthian Yacht Club
- Offers its members both sailing related services and a bountiful social calendar.
- Cortez Racing Association
- Challenging for the XXX America's Cup in 2000. Manned by Team Dennis Conner.
- Costa Mar Sportfishing
- Booking sportfishing holidays in Baja California and throughout Mexico. Packages include air, hotel meals, fishing, tours, transfers and more.
- County of San Mateo Park and Recreation Division
- Operates 19 separate parks, regional trails, and other county/local trails throughout the county.
- Coyote Point Museum
- Live animals and exhibits from the San Francisco Bay Area environment.
- Cragmont Climbing Club
- Sponsoring social gatherings and regular outings.
- Cresta Blanca Girl Scout Association
- Crow Canyon Gardens@
- Cub Scout Pack 214
- Cuyamaca Rancho State Park
- Offers beautiful pine and oak forests, broad meadows, and little streams that are a special delight in the generally dry Southern California landscape. Headquartered in Descanso.
- CyberHikes
- Information on day hikes, primarily in Central California.
- D. L. Bliss State Park
- Includes park brochure and camp site map.
- Dana Wharf Sportfishing
- Local coastal fishing excursions.
- Dave's Santa Clara County Dog Park Page
- Park descriptions, locations, and links.
- Davey's Locker
- Sportfishing, deep sea, ocean, and saltwater fishing trips, whale watching, and day trips.
- Day Trips with a Splash: The Swimming Holes of California
- Guide to secluded waterfalls, hidden pools remote two-person tubs.
- Death Valley National Park@
- Deep Creek Hot Springs@
- Delta Boating
- Offers a guide of where to eat, stay, and play while boating in the California Delta.
- Desolation Wilderness@
- Diamond Valley Lake
- Provides information about fishing, hiking, and other recreation and attractions around the reservoir.
- Diesel Fish Dragon Boat Team
- Practicing and racing in the SF Bay Area.
- Discovery Bay Yacht Club
- Located in the Delta, offering cruises and member social events.
- Dive Animals Scuba Club
- Includes photographs and membership information.
- Dive San Diego
- Offers information and links to dive boats and charters, clubs, dive shops, scuba instruction, and other sites.
- Divebums
- Providing San Diego scuba diving information including fish photograph ID guide, guides and maps, and current conditions reports.
- Don & Jan's Geocache Page
- Log of the caches that they have planted and those that they have found in Central California.
- East Bay Barefoot Hikers
- East Bay Casual Hiking Group
- Informal co-ed group of adults who meet regularly to go hiking on public trails around Contra Costa County.
- East Bay Regional Park District
- 94,500 acres in Alameda and Contra Costa Counties.
- Eldorado National Forest@
- Emerald Bay Historic Barges
- Information about the underwater shipwreck park.
- Emerald Lake Country Club
- Offers swimming, boating, and numerous social events around a lake with lifeguards and water slide.
- Encinal Yacht Club
- Mission is to encourage a love of yachting and racing and to promote the health and pleasure of its members.
- Esloop
- Registry of sailors available to join sailing crews. Includes calendar of events.
- Fairyland
- Ten acre outdoor park in which children's literature is brought to life through fairy tale exhibits, storyboards, and animals.
- Fishing Line, Northern California Fishing
- Information about what they're catching, what they're using, even a best-days-to-fish calendar.
- Fitzgerald Marine Reserve, The
- Guide to the seashore life in the San Mateo County, California park.
- Flycasters of San Jose, CA.
- Organising monthly meetings, seminars, lessons, and trips.
- Fort Funston
- Part of the Golden Gate National Recreation Area. Cultural history, Adopt-A-Beach programmes, and more.
- Freeplay
- Organisation dedicated to establishing off-leash areas for dogs in the Los Angeles area. Includes a map with dog park web sites across the United States.
- Fremont Sailing Club
- Organisation of families who have joined together to enjoy small boat sailing and related activities.
- Friends of Box Canyon Park
- Outlining the construction of Orange County's first community-built park.
- Friends of Recreation and Parks
- Aims to protect and enhance all of San Francisco's city parks, from Golden Gate Park to neighbourhood parks, recreation centres, and community programmes.
- Friends of Stevens Creek Trail
- Local nonprofit group dedicated to raising community awareness and support to complete the trail all the way from SF Bay to the mountains and trail links to the Pacific Ocean.
- Geocaching: Boulter's Geocaching Logs
- Personal log about caches found and placed. Also offers a number of GPS and coordinates tools.
- GeoROCKS!: Adventures in Geocaching
- Personal log of caches found in Northern California.
- Girl Scouts of San Francisco Bay Area
- Local organisation chartered by the Girl Scouts of the USA that provides support for Girl Scouting and Girl Scout Troops in the Bay Area.
- Girl Scouts of Santa Clara County@
- Gold Bug Park and Mine
- Park, mine, and museum that explores gold rush history in the Placerville area.
- Gold Country Paddlers
- Facilitating a network of paddlers in Northern California for safe and responsible whitewater kayaking, canoeing, and rafting.
- Golden Gate Angling & Casting Club, The (GGACC)
- Fly fishing club located in Golden Gate Park with shows, tournaments, casting pools, and angler's lodge.
- Golden Gate National Recreation Area@
- Golden Gate Park@
- Goodwin-Canyon.com
- Offers information on the Goodwin Canyon section of the Lower Stanislaus River, located near Knights Ferry in the Sierra Nevada Foothills.
- GORP San Francisco Outdoors
- Recreation activity and travel guide with information on what to do and where to go within and around the city.
- Great Outdoors, Inc.
- A nonprofit, all-volunteer, gay and lesbian recreational group based in Southern California.
- Greater Los Angeles Council of Divers
- Organised to represent the recreational diving community on issues concerning safety, access, conservation, and competitive events.
- Griffith Park@
- Group 8909
- Hanohano Outrigger Canoe Club
- Located on Mission Bay.
- Happy Hollow Park and Zoo
- Official site of Happy Hollow Park and Zoo in San Jose, California. Site includes information about parties and reservations, directions, and admission.
- Healing Waters
- Nonprofit organisation dedicated to providing outdoor adventures to people with AIDS.
- Henry Cowell Redwoods State Park@
- Henry W. Coe State Park@
- High Desert Saltwater Anglers
- Offers club information, newsletters, charter schedules, raffle data, trip pictures, and meeting information.
- Hikes in the Angeles National Forest With Trip Logs
- Lists of hikes in Angeles National Forest, sorted by mileage or by Robinson trip number, with trip reports.
- Hollister Hills State Vehicular Recreation Area
- Offers recreation for motorcyclists, 4-wheelers, picnickers, and campers in the Gabilan Mountains.
- HSA International
- Internationally recognised certifying organisation for disabled scuba divers.
- Humboldt Redwoods State Park
- On the North Coast of California with the largest ancient redwood forest in the world; some of the world's tallest trees are here. Headquartered in Weott.
- Humboldt-Toiyabe National Forest
- Official site.
- Hungry Valley State Vehicular Recreation Area
- Offers 19,000 acres and over 130 miles of scenic trails for motorcycle, all-terrain vehicles, dune buggys, and 4x4 recreation.
- Huntington Library@
- Incredible Adventures
- Adventure camping trips to Yosemite National Park, Lake Tahoe and more.
- Inyo National Forest@
- Ironworks
- Operating indoor climbing gyms and fitness centres in San Francisco, San Rafael, Concord, Berkeley, Sacramento, and San Jose.
- Irvine Park Railroad
- 1/3 scale replica of a 1863 C. P. Huntington locomotive that helped make the first intercontinental crossing.
- Island Yacht Club
- IV the Birds
- For birds of the Imperial Valley in the southeastern corner of California.
- J-105 Fleet 1 - San Francisco
- Home to the San Francisco Bay Area one-design yacht racing class.
- J/35 Fleet 5 - San Francisco
- Includes a calendar of events, racing results, and photos.
- Japanese Friendship Garden
- Eleven acres in Balboa Park.
- Jedediah Smith Redwoods State Park
- Includes an overview of the park, directions, park brochure, and map.
- Joe Morlan's California Birding Pages
- Information on courses, latest rarities, identification references, photo gallery, and more.
- John Muir Wilderness@
- Johnny Carson Park
- A park in Burbank, California named in honour of Johnny Carson, the Tonight Show host who helped put "beautiful downtown Burbank" on the map.
- Joshua Tree Climb
- Guide to rock climbing in Joshua Tree National Park.
- Joshua Tree National Park@
- Kaweah Oaks Preserve
- Nature and wildlife preserve, with native plants, animals, birds, and insects.
- Kern River Preserve
- Includes historical details, travel information, birding resources, and more.
- Kimbo's Geocache Page
- Includes entries in the Granite Beek and Deep Dark Secret logbooks as well as a number of geocaching tips.
- Klamath National Forest@
- Klamath-River.com
- Information on the Upper and Lower Klamath River including river conditions, maps, and history.
- La Purisima Mission State Historic Park
- Includes background and contact information, photos, and a calendar of annual events.
- Laguna Canyon Foundation
- Nonprofit organisation created to preserve, protect, and enhance the Laguna Coast Wilderness Park and surrounding parklands in Orange County, CA.
- Lake McClure & Lake McSwain Recreation Areas
- Fishing, camping and watersports destination located in the scenic Sierra Nevada foothills of Central California, less than 60 miles from Yosemite National Park.
- Lanakila Outrigger Canoe Club
- A highly competitive traditional Hawaiian outrigger canoe paddling and racing club. Calendar, history, membership, and practice information.
- Lassen Volcanic National Park@
- Lava Beds National Monument
- Explore shield volcanos and lava tube caves. Headquartered in Tulelake.
- Lemos Farm
- Year-round farm open to the public with playgrounds and activities for children and families.
- Lizards, The
- Informal hiking group.
- Loch Lomond Yacht Club
- Includes a calendar of events and history for the San Rafael, CA, yacht club.
- Lokahi Outrigger Canoe & Social Club
- Based out of the Petaluma Marina.
- Long Beach Yacht Club
- Los Alpinistas
- Weekly outings to southern California areas including the Sierras.
- Los Angeles County Department of Beaches and Harbors
- General information, schedule of events, and more.
- Los Angeles Yacht Club
- Offers racing, ocean social events, and membership information.
- Los Padres National Forest
- Nearly two million acres in the beautiful coastal mountains of central California. Forest streches from Carmel Valley to the western edge of Los Angeles County.
- Lost Coast Trail@
- Marin Council, Boy Scouts of America
- Marin Trails
- Guide to the great outdoors in Marin County.
- Master Mariners Benevolent Association
- San Francisco-based classic wooden boats and sailing club.
- Mendocino National Forest@
- Merced-River.com
- Information for rafting on California's Merced River, near Yosemite National Park. Includes mile-by-mile map, camping, river access, outfitters, and more.
- Midpeninsula Regional Open Space District
- Public agency formed to preserve a regional open space greenbelt, linking district preserves with other public parklands. Includes meeting minutes and schedule of hikes and lists dog-friendly trails.
- MidState Fishing and Boat Show
- Commercial exhibits and product demos, seminars, and more.
- Mike's Kayak Journal
- Personal account of short trips kayaking the rough, but beautiful, shores of Sonoma and Marin counties.
- Modoc National Forest@
- Mojave Desert State Parks
- Includes Red Rock Canyon, Poppy Reserve, Saddleback Butte, Ripley Desert Woodland, Tomo-Kahni, Mitchell Caverns, and Indian Museum.
- Mojave National Preserve@
- Mono Lake
- Working to protect Mono Lake from destruction, to heal the damage done in the Mono Basin, and to educate the public about the natural environment and wise water use.
- Monterey Bay National Marine Sanctuary@
- Monterey County Parks System
- Camping, recreation, and event information.
- Mount Diablo State Park@
- Mount Shasta's Climber's Guide
- Mt. Shasta climbing guide with current mountain conditions, photo tour, and information on getting to the summit.
- Mount Tamalpais State Park@
- Mountain Meadow Ranch
- Traditional coed summer camp programme in Northeastern California. Activities include extensive challenge course, waterskiing, horseback riding, and more.
- Mt. San Jacinto State Park
- Headquartered in Idyllwild.
- Mt. Shasta Wilderness
- Located in Shasta National Forest.
- Mt. Wilson Vista Council
- Providing school-aged girls with enriching activities that help them explore interests and gain life skills.
- Muir Woods National Monument@
- Mundane Journeys
- Offering a phone number and access to another exploration of San Francisco via bus or by foot.
- Nancy Hawtrey's Little House Hikers
- Offering Monday day hikes throughout the San Francisco Bay Area as well as a trip to Yosemite National Park each spring.
- Napa-Solano Girl Scout Council
- Serves girls and adults in Napa and Solano counties. The Council encompasses six associations (geographic divisions) and seven Service Units.
- National Forests in Northern California
- National Speleological Society - SF Bay Chapter
- Newsletters, project info, trip reports, calendar of events, and other things of interest to bay area cavers.
- Natural Bridges State Beach
- Natural Bridges State Beach is home to thousands of Monarch butterflies during their annual migration.
- Neighborhood Parks
- Newport Ocean Sailing Association
- Sponsors, promotes, and provides financial assistance to sailing programmes and other nonprofit organisations that promote amateur sport with an emphasis on sailing, boating, and seamanship.
- Newport Outrigger Club
- Includes news, events, practice schedule, and more.
- Northern California Outrigger Canoe Association - NCOCA
- Listing of clubs in Northern California including officers, and race schedules and results.
- Northern California Rainbow Divers
- Gay, lesbian,& bisexual diving club.
- Northern California Underwater Photographic Society (NCUPS)
- Nonprofit educational organisation formed to promote interest in underwater photography. Site includes photos, educational opportunities, and club profile.
- Oceano Dunes State Vehicular Recreation Area
- State park. Camp and drive right on the beach and in the dunes. Rich in history and beauty. Formerly known as Pismo Dunes.
- Ocotillo Wells State Vehicular Recreation Area
- Offers enthusiasts over 40,000 acres of desert area for off-road exploration and recreation.
- Old Baldy Council
- Keeps you up to date with current news, calendars and training events.
- Orange County Council
- Overseas Chinese Youth Association
- Offers outdoor camps, in the Spring, Summer, and Winter.
- Pacific Inter-Club Yacht Association
- Organisation of yacht clubs and boating organisations dedicated to promoting communication between clubs and providing uniform racing rules.
- Pacific Mariners Yacht Club
- Information on events, cruises and community.
- Pacific Motion
- Offers the MagBag chalk bag with a unique closure system.
- Pacific Skyline Council
- Serving San Mateo and Northern Santa Clara counties in California.
- Pack 215@
- Pack 224
- Pack 234
- Pack 390
- Pack 414
- Pack 452
- Pack 603
- Pack 657
- Pack 805
- Pack 976
- Palm Springs Aerial Tramway
- Double-reversible passenger tramway, climbs through five different life zones of flora and fauna.
- Palomar Mountain State Park
- Features spectacular views of the Pacific, camping, picnicking, hiking, and fishing in Doane Pond.
- Parks and Recreation in Sonoma County
- Information and links to parks in the coastal region, Russian River region, Valley of the Moon, Santa Rosa, and Petaluma.
- Peninsula Yacht Club
- Perris Valley Skydiving
- Skydiving services and training for beginner and experienced divers with tandem, accelerated freefall, wind tunnel, and static line jump packages.
- Perry Racing Enterprises
- Home of "Kill-N-Time" #303 Pro Gas Hydro drag boat; includes info on IHBA Drag Boat Racing events.
- Pier Fishing in California
- Describes how to fish on the many California saltwater piers.
- Pinnacles National Monument@
- Located in the Gabilan Mountains, east of central California's Salinas Valley, are the spectacular of an ancient volcano. Pinnacles National Monument is a destination for hikers, spelunkers, and rock climbers.
- Placerita Canyon Park and Nature Center
- Offers hiking trails, a nature centre, a museum, childrens' activities, group camping, and scheduled activities including docent-led nature hikes.
- Pogonip
- Featuring image archives of the past, and more.
- Point Lobos State Reserve
- Information about the park's history, trails, rules, and water features.
- Point Reyes National Seashore@
- Point Sur State Historic Park@
- Polaris Sailing Society
- Sailing and social club for adult singles.
- Prairie City State Vehicular Recreation Area
- Offers off-highway vehicle enthusiasts a variety of interesting terrain and trails for motorcycles, all-terrain vehicles, and 4-wheel drive vehicles.
- Privateer Lynx
- Offers educational programmes related to the role of the Privateer Schooner Lynx in the War of 1812.
- Quail Botanical Gardens@
- Ramona Parks & Recreation Association
- Redding Area Divers
- Offers notes and monthly happenings for the club.
- Redrock Beach
- Redwood City Parks, Recreation & Community Services Department
- Plans, constructs, maintains, and supervises park and recreation facilities to best serve leisure needs and to enhance the appearance and quality of the urban environment.
- Redwood Empire Bass Club
- Open membership club with members from Sonoma, Marin, Napa, and Solano counties. Includes tournament results, meetings, and photos.
- Redwood National and State Parks@
- Richmond Yacht Club
- Includes upcoming events, classifieds, cruising information, and more.
- River City Geocaching and Dining Society (RCGDS)
- Representing geocachers in the Greater Sacramento Area and beyond.
- Riverbank Marina
- Home for the River City Queen Riverboat; located on the Sacramento River.
- Riverside Recreational Trails
- Community organisation dedicated to the enjoyment and preservation of Southern California horse trails.
- Rock Creek Fishing Page
- California's Eastern Sierra Nevada between Bishop and Mammoth Lakes. Offers fishing, camping, hiking, mountain biking, and striking vistas.
- Rock Creek Lake
- Outdoor recreation information including fishing, camping, mountain biking, hiking, and backpacking.
- Rockreation
- Sport climbing centre.
- Sacdelta.com
- Interactive guide to the Delta, offers map, marina and resort information, history, restaurants, and more.
- Salton Sea International Bird Festival
- Annual winter birding event in California's southeastern desert.
- Salton Sea State Recreation Area
- This 360 square-mile basin is a popular site for boaters, water-skiers and anglers.
- San Bernardino National Forest@
- San Diego 4 Wheelers
- Lists the activities of a family oriented off-road club.
- San Diego Beaches
- Profiles a variety of beaches in the San Diego area.
- San Diego Boating
- Resource devoted to those who live and visit San Diego and want to enjoy sailing, powerboating, fishing, dinner cruises, and other maritime activities in San Diego.
- San Diego Fish Report and Lake Information
- Updated fish counts including detailed information on species, maps, contacts, and camping.
- San Diego Orienteering Club
- San Diego Outdoors Online
- Outdoor forum featuring the best hikes, bike rides, and vistas.
- San Diego Sea to Sea Trail
- Foundation building a recreational and educational resource: a 140-mile walking, cycling, horse riding and accommodations-supported trail in San Diego, California.
- San Diego Yacht Club
- San Diego's Balboa Park@
- San Diego-Imperial Council, Inc.
- Offering scouting programmes to girls in San Diego.
- San Francisco Bay Area Multihull Association
- For local builders, cruisers, racers, daysailors of multi-hulled sailboats.
- San Francisco Bay Area Sea Kayakers
- Nonprofit club dedicated to the safe enjoyment of the sport of sea kayaking.
- San Francisco Bay Bird Observatory (SFBBO)
- Volunteers assist biologists' research about bird populations, nesting, and habitats of San Francisco Bay. Also sponsors the California Fall Challenge and other birding activities.
- San Francisco Bay Knarr Association
- Yacht racing association for owners of the Knarr 30' sloop.
- San Francisco Bay Region Inner City Outings
- Persents a calendar of recent and upcoming Sierra Club trips and events for inner city youth.
- San Francisco DogZones
- List and locations of officially sanctioned areas where dogs may run off leash.
- San Francisco Outdoor Adventurers' Club
- San Francisco Recreation and Park Department
- Aims to provide enriching recreational activities, maintain beautiful parks, and preserve the environment for the well-being of the diverse community.
- San Francisco Sailing
- Designed to attract new people to the sailing sport in San Francisco as well as to be a complete resource to Bay Area sailors.
- San Francisco Sports and Boat Show
- Takes place in January at the Cow Palace.
- San Gabriel Valley Council
- San Jose Inner City Outings
- Sierra Club programme providing urban youth the opportunity to discover the beauty of wild places and develop an appreciation for nature.
- San Luis Reservoir State Park
- San Luis Yacht Club
- Includes events calendar, membership information, and more.
- San Mateo County Harbor District
- With a mandate to provide clean, safe marinas for boaters. Operates Oyster Point Marina/Park in South San Francisco and Pillar Point Harbour in El Granada.
- San Mateo County Parks & Recreation Foundation
- Contains information on San Mateo County Parks and the Foundation to support those parks.
- San Onofre Surf Kayak Association
- San Pedro Gay Men's Sailing Network
- Events include sailing, fishing, potlucks, and more.
- SanDiegoSailing.com
- Features information, photos, news, e-mail, and discussion forums for sailing enthusiasts.
- Santa Barbara County Parks
- Directory with maps and information on camping, picnics, fishing, hiking, biking, boating, whale & bird watching, arts, and historical/cultural programmes.
- Santa Barbara Hikes
- Features day hikes in the front country, back country, and San Rafael Wilderness Area. Includes maps, trailhead directions, and trail descriptions.
- Santa Barbara Power Squadron
- Provides boating education and safety classes for powerboaters, sailboaters, and jet skiers in Santa Barbara County.
- Santa Barbara Youth Foundation
- Develops young people through the sport of sailing, attributes of self reliance, responsibility, teamwork, and sportsmanship.
- Santa Clara Bass Busters
- Includes membership information, events schedule, message board, and photo gallery.
- Santa Clara County Council
- Santa Cruz Circle Trail
- With landmarks map and virtual tour of the trail.
- Santa Cruz Harbor@
- Santa Cruz State Parks
- Includes a range of information on area parks facilities.
- Santa Monica Mountains Conservancy
- Santa Monica Mountains National Recreation Area@
- Saratoga Springs
- For company picnics, camping, outdoor meetings, catered meals, and family fun & recreation; available facilities and contact information.
- School of Self-Reliance
- Offering education and products for self-reliance. Skills taught include wild food foraging, orienteering, recycling and gardening.
- Scuba Divers Network
- The source for California scuba diving information.
- SD Boating.Com
- San Diego marine related links.
- Sea Divers, The
- Sea Scout Ship 145
- The Challenger.
- Sea Scout Ship Neptune
- Nonprofit organisation with a 63' Air Force Rescue Boat on the Sacramento River educating young men and women about boating, malinspike seamanship, competition, and social activities.
- Sequoia and Kings Canyon National Park@
- Sequoia National Forest@
- Sequoia Yacht Club
- SF Boating.Com
- One-stop web spot for marine related links related to the San Francisco Bay Area.
- SFBoating.Com Paddling Links
- Contains a list of SF Bay and national paddling links.
- Shasta-Trinity National Forest and Recreation Area
- Holiday guide including accommodation, maps, and park information.
- Shasta-Trinity National Forest@
- Shaver Lake Fishing Club
- Shoreline at Mountain View@
- Sierra National Forest@
- Sierra Nevada Dog Drivers
- Promoting the sport of sled dog racing in Northern California.
- Sierra Nevada Whitewater
- Includes flows, photos, classifieds, articles, and more.
- Sierra Peaks Section: Mountaineering in California's Sierra Nevada
- Sierra Pelona Rock Club
- Monthly meetings, field trips, local events, rockhound links and more
- Sierra Race Walkers
- Group that trains for, and participates in, race distances from 1500 meters to full marathons.
- SierraClimbers.com
- Resorce for rock and ice climbers in the Eastern Sierra.
- Silverwood Lake
- Information on the reservoir and state recreation area.
- Single Mariners of Marina del Rey
- Single adults are invited to join and participate in regularly scheduled sailing activities and social events.
- Singlehanded Sailing Society
- Conceived to provide a forum where sailors and others interested in the sport of singlehanded sailing could share their ideas and experiences.
- Six Rivers National Forest
- Headquartered in Eureka, CA.
- Sky Sailing
- Glider rides, rentals and instruction; lessons; handicapped training and airshows.
- Sleavin Family Foundation
- Nonprofit organisation dedicated to promoting maritime safety through education, awareness, and dialogue.
- Snow Valley Bouldering Guide
- Guide to bouldering in the San Bernardino Mountains.
- SoCalHiker
- Outdoor enthusiasts of every type share war stories with photos and trip diaries.
- Somewhere Out There
- Featuring weather conditions and articles on backcountry skiing, whitewater, and rock climbing.
- Sonoma State Historic Park
- Contains information on park's history, tours and more.
- South Beach Yacht Club
- It hosts races, cruises, and social events throughout the year as well as offering community youth sailing programmes to provide sailing training and experience for children.
- South Fork River Conditions
- Information regarding the American River.
- Southern California Bass Fishing
- Provides descriptions of lakes and their facilities, fishing reports, classifieds, fishing library, and more.
- Southern California Bassmasters
- Includes lake maps for San Diego and Riverside counties, photos, and links.
- Southern California Marine Association
- Nonprofit trade organisation dedicated to promoting recreational boating in Southern California. Includes information on the boat show in Los Angeles.
- Southern California Marlin Online
- Striped marlin news, info, tips and links; a noncommercial site created by fishermen for fishermen
- Southern California Mountaineers Association
- Rockclimbing club offers regular trips to climbing areas in the Southwest.
- St. Francis Yacht Club
- Stable.com - Northern California's Horse Web Site
- Stanislaus National Forest@
- Stanislaus-River.com
- Whitewater rafting on California's North Fork of the Stanislaus river, located near Calaveras Big Trees State Park.
- Stockton Bass
- Non-membership bass fishing association offering tournaments for novice and professional anglers.
- Sugar Pine Point State Park
- Located on the west shore of Lake Tahoe. Includes park brochure and map plus information on the Hellman-Ehrman Mansion.
- Sugarloaf Ridge State Park@
- Sugarloafers Snowmobile Club
- Central California club includes events information, photos, and more.
- Sunol Regional Wilderness@
- Sunset Marine
- Engine sales, parts & service.
- Sykes Hot Springs
- Travel article about Big Sur's Sykes Hot Springs, natural hot springs at the end of a 10-mile trail through the Ventana Wilderness.
- Tahoe National Forest@
- Tahoe Sierra Yacht Club
- Organisation open to the public - dedicated to preserving Sierra waterways for boaters, and having fun.
- Tahoe Yacht Club
- Team Partagas
- Links, sea stories, racing info, crew connections and more.
- Tierra del Oro Girl Scout Council, Inc
- Girl Scout Council for the Sacramento Valley.
- Tilden Regional Park@
- Tim's Tahoe Adventures
- Offers information on the best places to hike, mountain bike, and cross-country ski at Lake Tahoe. Written by a long time resident and outdoors guide.
- Torrey Pines State Reserve@
- Trails of The Diablo Valley
- Running, hiking and nature guide to the trails and parks of Diablo Valley.
- Trails4All
- Established to assist in coordinating volunteer trail projects and to raise funds to support groups that undertake those projects.
- Troop 103
- Troop 139
- Includes events calendar and current news.
- Troop 191
- Troop 2 - Boy Scouts of America
- Troop 203
- Includes photos, scout info, calendar, and more.
- Troop 212
- Troop 253
- Troop 260
- Troop 29
- Troop 294
- Troop 3, Boy Scouts of America
- Troop 380
- Features calendar, merit badge information, and more.
- Troop 389
- Troop 39
- Troop 5
- Home page of Troop 5 of Palo Alto, California featuring general information, scout duties, services, events calendar, and contact info.
- Troop 503
- Troop 546
- Troop 58
- Chartered Boy and Cub Scout organisation serving the Japantown area.
- Troop 610
- Troop 711
- Troop 745
- Troop 777
- Troop 807
- Troop 8154
- Troop 88, Boy Scouts of America
- Troop 991
- Tsunami Rangers@
- Tulare Parks and Community Service
- Information on leisure programmes and city parks.
- Tuolumne-River.com
- Whitewater rafting information for Cherry Creek and Tuolumne River, located near Yosemite National Park.
- Turtle Bay Exploration Park
- Museum complex with a summer butterfly house, live animals, miles of walking trails, and information on the Sundial Bridge across the Sacramento River.
- UC Santa Barbara Summer Camps
- Youth volleyball, basketball, day, lifeguard, and surf and kayak camps.
- Union Valley Reservoir
- Contains a map and fishing information.
- United Anglers of California
- South Bay chapter of group committed to protecting the rights of all anglers while effecting programmes which conserve and restore our priceless fisheries.
- United States Power Squadrons
- Safe boating through education. Serving Northern California's bays, deltas, and rivers.
- Urban Park Concessionaires
- Manages five urban lakes in Northern California: the Camanche, Chabot, Del Valle, San Pablo Dam reservoir, and Los Vaqueros reservoir. Site gives fishing conditions and tips.
- USC Sea Grant's Guide to Los Angeles County Beaches
- Information on access and facilities via pictograms showing recreational uses, beach features, and amenities for beach locations, including lifeguard services and parking.
- USC Sea Grant's Guide to Orange County Beaches
- Information on access and facilities via pictograms showing recreational uses, beach features, and amenities for beach locations, including lifeguard services and parking.
- Vallejo Yacht Club
- Includes cruising information, race results, upcoming events, and more.
- Vaqueros Del Mar Skin and Scuba Diving Club
- Bay Area scuba diving club.
- Vertical Adventures Rock Climbing School
- Offers one-day courses, multi-day seminars, private guiding and rock climbing camps at Joshua Tree and Idyllwild, California.
- Walking Berkeley
- Documenting an attempt to walk every street in Berkeley, California.
- WalkSacramento
- Dedicated to achieving safe, walkable communities in the Sacramento Region.
- Walton's Grizzly Lodge Summer Camp
- Traditional, coed summer camp for children 7-14 years old located in the Sierra-Nevada Mountains in California.
- West Los Angeles Sport Chalet Dive Club
- Meeting monthly to share experiences and organise diving trips.
- Western Sea Kayakers
- Dedicated to the safe enjoyment of the sport of sea kayaking.
- White Rabbit Outdoor Adventures
- Small classes teach children (ages 5-10) to enjoy and understand common plants, animals, and minerals in Santa Cruz county. Visit tide pools, meadows, state and local parks, etc.
- Wildernet: California Lakes and Reservoirs
- Will Rogers State Historic Park
- Site of the ranch and house built by Rogers.
- Wind'n Sea Sailing Club of San Diego
- Sailing club provides day sails, cruises, training, ASA certification, and social events.
- Windsport
- Windsurf, kayak, and snowboard shop.
- Winter Bird Festival
- Celebrated annually and featuring workshops, field trips, and exhibits.
- Women's Ocean Racing Sailing Association
- Includes monthly meetings, contact list, membership form, photographs, and history.
- WON Bass
- Bass fishing tournament organisation hosting Pro/AAA and team competitions.
- World Billfish Series
- Includes series updates, live cybercasts of tournaments, and online store.
- Yacht Racing Association of San Francisco Bay
- Promoter, coordinator, and administrator of organised racing in Northern California.
- YachtFest San Diego
- Celebration of international yachting, at Shelter Island Marina.
- Yosemite National Park@
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