Public lands in Hawaii

12 units whose boundary reaches Hawaii. They are 10 national wildlife refuges and 2 wilderness areas, largest first within each type.

National wildlife refuges: 312,725 acres
Wilderness areas: 147,810 acres

Each figure is the acreage inside Hawaii for one kind of unit, summed over the units listed below. A unit that crosses into another state counts only the part of its boundary that lies in Hawaii. Wilderness often lies inside one of the other kinds, so the figures overlap and should not be added together. Refuge acreage includes the open water inside the marine boundary of Hawaiian Islands National Wildlife Refuge.

National wildlife refuges

All national wildlife refuges →

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

James Campbell National Wildlife Refuge

1,073 acresNational Wildlife Refuge

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 acres3 campgrounds near

Boundaries come from the agencies’ own layers. A unit is listed in every state or territory its boundary reaches. Data refreshed November 1, 2026.