Index to Public Lands in Washington County
- Federal Lands
- Wayne National Forest, Marietta Purchase District
- State Lands
- Boord State Nature Preserve: 127 acres
- Acadia Cliffs Wildlife Area: 112 acres
- Veto Lake Wildlife Area: 443 acres
- Private Lands
- Tefft Memorial Nature Sanctuary (The Nature Conservancy)
- Friends of Lower Muskingum River lands
