Kahoolawe (island)

Kahoolawe (island)
Name	Kahoolawe
Native name	Kaʻoahaʻawaʻale? (disputed)
Location	Pacific Ocean
Archipelago	Hawaiian Islands
Area km2	115.0
Highest mount	Mount Moaʻula
Elevation m	455
Population	Uninhabited (restoration and cultural access only)
Country	United States
State	Hawaii

Kahoolawe (island) is the smallest of the eight main Hawaiian Islands and lies southwest of Maui and southeast of Lānaʻi. The island is uninhabited and was long used as a live-fire training area and bombing range by the United States Navy and United States Air Force, leading to sustained environmental and cultural damage. Kahoolawe is now the focus of restoration led by the Kahoolawe Island Reserve Commission, native Hawaiian organizations, and federal and state agencies.

Geography and geology

Kahoolawe sits in the central Pacific within the Hawaiian–Emperor seamount chain near Maui Nui features and is composed primarily of shield-volcanic rocks formed by the Hawaiian hotspot. The island's topography includes ridges and eroded valleys with its summit at Mount Moaʻula and coastal features such as the bay at Kealaikahiki and shorelines near Lua Makika. Kahoolawe's bedrock consists of tholeiitic basalt similar to flows on Hawaii (island), while Pleistocene sea-level changes and wave erosion produced marine terraces analogous to those documented at Molokai and Oʻahu. The climate is arid compared with Hawaii islands windward sides due to the lee position relative to the Northeast Trade Winds and local rain-shadow effects, producing semiarid soils, sheetwash, and widespread erosion documented in surveys by the United States Geological Survey and Bureau of Indian Affairs soil studies.

History

Kahoolawe figures in ʻāina narratives and voyaging traditions involving Kamehameha I, Captain James Cook, and early contact histories with Kingdom of Hawaii chiefs. Pre-contact settlement included dryland agriculture, fishing, and heiau such as at Kealaikahiki, linked in genealogy accounts to chiefs of Maui and Hawaiʻi (island). During the 19th century, Kahoolawe was impacted by the Great Māhele land division and subsequent ranching leases involving Missionaries and private interests. In the 20th century, after annexation following the Spanish–American War era geopolitical shifts, the United States Navy acquired use of the island, culminating in mid-century military designation and later contested access by native Hawaiian activists during the Kahoʻolawe protests and legal actions culminating in transfer to the State of Hawaii and creation of the Kahoolawe Island Reserve Commission.

Military use and bombing range legacy

From World War II through the late 20th century, Kahoolawe served as a target area for naval aviation training, live ordnance delivery by carrier air groups similar to those of Carrier Air Wing Seven, and gunnery practice by United States Navy Reserve units and United States Marine Corps squadrons. Ordnance types included munitions comparable to those used in Korean War and Vietnam War training scenarios, and unexploded ordnance (UXO) concerns paralleled issues at ranges like Eglin Air Force Base and former target sites in the Pacific Proving Grounds. The bombing range legacy prompted litigation and activism involving groups such as Protect Kahoolawe Ohana and legal challenges referencing United States District Court for the District of Hawaii decisions, leading to cessation of live-fire operations and negotiated cleanup agreements with the Department of Defense and the State of Hawaii.

Environmental damage and restoration

Bombing, grazing by introduced ungulates during the 19th and 20th centuries, and drought produced extensive soil loss, gullying, and denudation similar to degradation seen on Molokini and parts of Leeward Oʻahu. Restoration efforts have involved erosion-control measures such as contour furrowing, terrace construction, and regrading modeled after techniques used by the Natural Resources Conservation Service and United States Fish and Wildlife Service habitat improvement projects. UXO clearance and remediation projects contracted through firms with experience at sites like Johnston Atoll and Palmyra Atoll addressed public-safety risks while archaeological surveys by the Office of Hawaiian Affairs partners documented impacted cultural sites. Funding and interagency coordination included the Environmental Protection Agency in baseline assessments, the Army Corps of Engineers in remediation planning, and collaboration with academic institutions such as the University of Hawaiʻi.

Flora, fauna, and conservation

Historical vegetation on Kahoolawe included dryland shrublands and native bunchgrass assemblages with species paralleling those on Nihoa and leeward Maui, but grazing and fire introduced nonnative grasses and forbs such as fountain grass, with invasive species management comparable to programs on Kauai and Big Island. Native coastal plants of cultural value documented in surveys include species used in crafts and ceremonies akin to uses on Molokai and Oʻahu. Faunal elements included seabird nesting analogous to Laysan albatross colonies and transient cetaceans in surrounding waters comparable to sightings near Molokini Shoal, but populations declined under disturbance. Conservation actions focus on revegetation using native taxa, pest control modeled on island restoration techniques employed at Midway Atoll and Pu'u o Mahuka Heiau vicinity projects, and long-term monitoring by the Kahoolawe Island Reserve Commission and partners.

Culture, archaeology, and Native Hawaiian significance

Kahoolawe holds deep cultural, religious, and archaeological significance for Native Hawaiian practitioners, with traditions linking the island to ceremonies, navigational lore, and ancestral stewardship shared across networks involving Hoʻokupu exchanges and lineage ties to Maui chiefs. Archaeological sites include heiau, habitation terraces, and petroglyphs studied by teams from Bishop Museum and the University of Hawaiʻi at Mānoa Department of Anthropology, paralleling fieldwork on Hawaiian Archaeological Research Center projects. Cultural redress movements, including occupations and protests by groups such as Protect Kahoolawe Ohana and support from organizations like Office of Hawaiian Affairs, resulted in policy changes and the 1994 establishment of the Kahoolawe Island Reserve Commission under state statute linked to land-management precedents like Papahānaumokuākea Marine National Monument. Contemporary access is regulated to protect sacred sites and support traditional practices, blending indigenous knowledge with scientific restoration led by community stewards.

Category:Islands of Hawaii Category:Uninhabited islands of the United States