Haleakalā
| Haleakalā | |
|---|---|
| East Maui Volcano | |
Haleakalā crater | |
| Highest point | |
| Elevation | 10,023 ft (3,055 m) |
| Prominence | 10,023 ft (3,055 m) |
| Isolation | 76 mi (123 km) |
| Listing |
|
| Coordinates | 20°42′35″N 156°15′12″W / 20.70972°N 156.25333°W |
| Geography | |
| Location | Maui, Hawaii, U.S. |
| Parent range | Hawaiian Islands |
| Topo map | USGS Kilohana (HI) |
| Geology | |
| Rock age(s) | <1.0 Ma, Pleistocene epoch |
| Mountain type | Shield volcano |
| Volcanic arc/belt | Hawaiian–Emperor seamount chain |
| Last eruption | between 1480 and 1600 |
| Climbing | |
| Easiest route | paved highway |
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Haleakalā (/ˌhɑːliˌɑːkəˈlɑː/; Hawaiian: Hawaiian pronunciation: [ˈhɐlɛˈjɐkəˈlaː]), or the East Maui Volcano, is a massive, active 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, also referred to as the West Maui Mountains.
The tallest peak of Haleakalā ("house of the sun"), at 10,023 feet (3,055 m), is Puʻu ʻUlaʻula (Red Hill). From the summit one looks down into a massive depression some 11.25 mi (18.11 km) across, 3.2 mi (5.1 km) wide, and nearly 800 m (2,600 ft) deep. The surrounding walls are steep and the interior mostly barren-looking with a scattering of volcanic cones.