Haleakalā National Park is an American national park located on the island of Maui in the state of Hawaii. Named after Haleakalā, a dormant volcano within its boundaries, the park covers an area of 33,265 acres (52.0 sq mi; 134.6 km2), of which 24,719 acres (38.6 sq mi; 100.0 km2) is a wilderness area. The land was designated a national park in 1976 and its boundaries expanded in 2005.

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