These are the parks thicket knows about in Oswego — the big ones you already know, and the pocket parks, greenways and trailheads two streets over that you probably do not.
- Altmar State Forest
- Battle Hill State Forest
- Battle Island State Park
- Chateaugay State Forest
- Hall Island State Forest
- Kasoag State Forest
- Klondike State Forest
- Line Brook State Forest
- Mexico Point State Marine Park
- O'Hara State Forest
- Orton Hollow State Forest
- Salmon River State Forest
- Sandy Beach State Park
- Sandy Creek State Forest
- Sandy Island Beach
- Selkirk Shores State Park
- Stone Hill State Forest
- Trout Brook State Forest
- Winona State Forest