| Canada. Parks Canada | Gatineau |
| Conservation Halton, Milton - Kelso Conservation Area / Glen Eden, Conservation Land & Recreational Trails | Milton |
| Conservation Halton, Milton - Rattlesnake Point Conservation Area, Conservation Land & Recreational Trails | Milton |
| Ontario. Ministry of Natural Resources [Central East], Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Ontario. Ministry of the Environment, Conservation and Parks, Bronte Creek Provincial Park | Oakville |
| Ontario. Ministry of the Environment, Conservation and Parks, Ontario Parks | Peterborough |
