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| Lighthouse |
| Metro and City Park |
| National Forest |
| National Historic Landmark |
| National Historic Site |
| National Historical Park |
| National Memorial |
| National Park |
| National Recreation Area |
| National Seashore |
| National Wildlife Area |
| National Wildlife Refuge |
| State Fish Hatchery |
| State Fishery Area |
| State Forest |
| State Historic Site |
| State Memorial |
| State Natural Area |
| State Nature Preserve |
| State Nursery |
| State Park |
| State Preserve |
| State Recreation Area |
| State Reserve |
| State Wildlife Area |
| State Wildlife Management Area |
| State Wildlife Refuge |
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| Erie National Wildlife Refuge | National Wildlife Refuge | 15.4 | Guys Mills | Pennsylvania |
| Pymatuning State Park | State Park | 19.6 | Linesville | Pennsylvania |
| Pymatuning State Park | State Park | 21.8 | Andover | Ohio |
| Oil Creek State Park | State Park | 27 | Oil City | Pennsylvania |
| Drake Well State Park | State Park | 28.4 | Titusville | Pennsylvania |
| Mosquito Lake State Park | State Park | 33.4 | Cortland | Ohio |
| Moraine State Park | State Park | 33.8 | Portersville | Pennsylvania |
| McConnells Mill State Park | State Park | 34.6 | Portersville | Pennsylvania |
| Orwell Wildlife Area | State Wildlife Area | 37.4 | Orwell | Ohio |
| Grand River Wildlife Area | State Wildlife Area | 42 | West Farmington | Ohio |