Hell's Half Acre Lava Field | |
---|---|
Highest point | |
Elevation | 1,631 metres (5,351 ft)[1] |
Coordinates | 43°30′N 112°27′W / 43.50°N 112.45°W[1] |
Geography | |
Location | Bonneville and Bingham counties, Idaho, U.S. |
Geology | |
Mountain type | Shield volcano, lava plain[2] |
Last eruption | 3250 BCE ± 150 years[3] |
Designated | 1976 |
Hell's Half Acre Lava Field is a basaltic lava plain located on the Snake River Plain of Idaho in the United States. It is the easternmost of the basaltic lava fields on the Snake River Plain,[1] located about 25 miles (40 km) west of Idaho Falls, Idaho and 30 miles (48 km) north of Pocatello, Idaho.[4] In 1976, the National Park Service designated the northwestern portion of the site a National Natural Landmark.[5] In 1986, the Bureau of Land Management recommended that 68,760 acres (27,830 ha) of the site, located just southeast of the National Natural Landmark, to be a wilderness study area.[6]
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