Public lands in Hawaii

20 units whose boundary reaches Hawaii, 3.9 million acres counted whole even where a boundary crosses into another state. 18 national wildlife refuges, 2 wilderness areas. Largest first within each type.

National wildlife refuges

All national wildlife refuges →
Refuge · USFWS
Midway Atoll National Wildlife Refuge
580,337 acresNational Wildlife Refuge
Refuge · USFWS
Johnston Atoll National Wildlife Refuge
566,465 acresNational Wildlife Refuge
Refuge · USFWS
Palmyra Atoll National Wildlife Refuge
531,067 acresNational Wildlife Refuge
Refuge · USFWS
Kingman Reef National Wildlife Refuge
485,630 acresNational Wildlife Refuge
Refuge · USFWS
Jarvis Island National Wildlife Refuge
434,242 acresNational Wildlife Refuge
Refuge · USFWS
Howland Island National Wildlife Refuge
422,019 acresNational Wildlife Refuge
Refuge · USFWS
Baker Island National Wildlife Refuge
413,057 acresNational Wildlife Refuge
Refuge · USFWS
Hawaiian Islands National Wildlife Refuge
256,096 acresNational Wildlife Refuge
Refuge · USFWS
Hakalau Forest National Wildlife Refuge
48,786 acresNational Wildlife Refuge
Refuge · USFWS
Oahu Forest National Wildlife Refuge
4,555 acresNational Wildlife Refuge
Refuge · USFWS
Rose Atoll National Wildlife Refuge
1,658 acresNational Wildlife Refuge
Refuge · USFWS
James Campbell National Wildlife Refuge
1,073 acresNational Wildlife Refuge
Show 6 more
Refuge · USFWS
Hanalei National Wildlife Refuge
916 acresNational Wildlife Refuge
Refuge · USFWS
Kealia Pond National Wildlife Refuge
713 acresNational Wildlife Refuge
Refuge · USFWS
Huleia National Wildlife Refuge
248 acresNational Wildlife Refuge
Refuge · USFWS
Kilauea Point National Wildlife Refuge
180 acresNational Wildlife Refuge
Refuge · USFWS
Pearl Harbor National Wildlife Refuge
114 acresNational Wildlife Refuge
Refuge · USFWS
Kakahaia National Wildlife Refuge
44 acresNational Wildlife Refuge

Wilderness areas

All wilderness areas →
Wilderness · NPS
Hawai'i Volcanoes Wilderness
123,100 acresWilderness
Wilderness · NPS
Haleakalā Wilderness
24,710 acres4 campgrounds near

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