Public lands in Massachusetts

12 units whose boundary reaches Massachusetts, 78,700 acres counted whole even where a boundary crosses into another state. 11 national wildlife refuges, 1 wilderness area. Largest first within each type.

National wildlife refuges

All national wildlife refuges →
Refuge · USFWS
Silvio O. Conte National Fish and Wildlife Refuge
53,795 acres9 campgrounds near
Refuge · USFWS
Monomoy National Wildlife Refuge
7,939 acresNational Wildlife Refuge
Refuge · USFWS
Parker River National Wildlife Refuge
4,534 acresNational Wildlife Refuge
Refuge · USFWS
Great Meadows National Wildlife Refuge
3,883 acresNational Wildlife Refuge
Refuge · USFWS
Assabet River National Wildlife Refuge
2,385 acresNational Wildlife Refuge
Refuge · USFWS
Oxbow National Wildlife Refuge
1,701 acresNational Wildlife Refuge
Refuge · USFWS
Nomans Land Island National Wildlife Refuge
623 acresNational Wildlife Refuge
Refuge · USFWS
Mashpee National Wildlife Refuge
353 acresNational Wildlife Refuge
Refuge · USFWS
Massasoit National Wildlife Refuge
206 acresNational Wildlife Refuge
Refuge · USFWS
Nantucket National Wildlife Refuge
20 acresNational Wildlife Refuge
Refuge · USFWS
Thacher Island National Wildlife Refuge
17 acresNational Wildlife Refuge

Wilderness areas

All wilderness areas →
Wilderness · USFWS
Monomoy Wilderness
3,244 acresWilderness

Boundaries come from the agencies’ own layers. A unit is listed in every state its boundary reaches. Data refreshed September 18, 2026.