Town of Ajax
- Greenwood Conservation Area - 2290 Greenwood Road, Ajax
Township of Brock
- Beaverton Dam - 284 Simcoe Street, Beaverton
- Beaver River Wetland - 555 Blackwater Road, Brock
Municipality of Clarington
-
Bowmanville Westside Marshes - 180 West Beach Road, Clarington
- Enniskillen - 7274 Holt Road, Clarington (main entrance) and 7780 Holt Road, Clarington (North entrance)
- Ganaraska Forest - 3839 Wilcox Road, Clarington (closed until further notice as of June 3, 2022)
- Long Sault - 9293 Woodley Road, Bowmanville
- Orono Crown Lands - 535 Ochonski Road, Clarington
- Samuel Wilmot Nature Area - Cobbledick Rd, Clarington
- Stephen’s Gulch - 360 Stephens Mill Road, Clarington
- Thrune Park - 3351 Concession Road 4, Newcastle
City of Oshawa
- Purple Woods - 38 Coates Road East, Oshawa
- Second Marsh and McLaughlin Bay Wildlife Reserve - 555 Colonel Sam Drive, Oshawa
City of Pickering
- Altona Forest - 1883 Altona Road, Pickering
- Claremont Nature Centre - 4290 Westney Road North, Pickering
- East Duffins Headwaters - 1405 Concession Road 6, Goodwood
- Petticoat Creek - 1100 Whites Road South, Pickering
Township of Scugog
- Crow’s Pass - 231 Middle March Road, Port Perry
- Durham East Cross Forest - 4531 Boundary Road, Nestleton Station
Township of Uxbridge
- Durham Regional Forest - Concession Road 7, Uxbridge
- West Duffins Headwaters - part of the Oak Ridges Moraine and falls within the Duffins Creek Watershed
Town of Whitby
- Lynde Shores - 625 Halls Road South, Whitby (main entrance) and 1225 Victoria Street West, Whitby (South entrance)
- Heber Down - 5000 Cochrane Street, Whitby (main entrance) and 500 Lyndebrook Road, Whitby (seasonal entrance May to October)
