- Bruce Peninsula National Park
 - Park comprised of massive, rugged cliffs inhabited by 1000-year old cedar trees, overhanging the waters of Georgian Bay. - Georgian Bay Islands National Park
- Captivating islands representing Lake Huron's landscape.
- Parks and Recreation Ontario
- Point Pelee National Park (1)
- Pukaskwa National Park
- Only wilderness national park in Ontario, featuring the rugged, ancient landscape of the Canadian Shield and northern forest.
- St. Clair Parkway Commission
- Operates 15 waterfront parks from Sarnia to Lake St. Clair, along the St. Clair River. Information on golf, historical sites, boating, camping, and fishing.
- St. Lawrence Islands National Park
- Tiny jewel located in the heart of the Thousand Islands tourist area, with a rich and complex natural and human history.
- Trent-Severn Waterway National Historic Site (2)
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