Haleakalā | Haleakala Haleakalā, also known as the East Maui Volcano, is a colossal shield volcano that forms more than 75% of the Hawaiian Island of Maui. The western 25% of the island is formed by another volcano, Mauna Kahalawai, which has eroded considerably and is much less conspicuous. Haleakalā is located in Haleakalā National …
