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Valles Caldera
Volcanic caldera in New Mexico, United States / From Wikipedia, the free encyclopedia
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Valles Caldera (or Jemez Caldera) is a 13.7-mile (22.0 km) wide volcanic caldera in the Jemez Mountains of northern New Mexico.[1] Hot springs, streams, fumaroles, natural gas seeps and volcanic domes dot the caldera floor landscape.[4] The highest point in the caldera is Redondo Peak, an 11,253-foot (3,430 m) resurgent lava dome located entirely within the caldera. Also within the caldera are several grass valleys, or valles, the largest of which is Valle Grande (locally /ˈvaɪ.eɪ ˈɡrɑːndeɪ/ VY-ay GRAHN-day), the only one accessible by a paved road. In 1975, Valles Caldera was designated as a National Natural Landmark by the National Park Service with much of the caldera being within the Valles Caldera National Preserve, a unit of the National Park System.[5]
Valles Caldera | |
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![]() Cerro la Jara, an approximately 246-foot (75 m) high forested rhyolite lava dome within the caldera | |
Highest point | |
Elevation | 11,253 ft (3,430 m)[1] |
Coordinates | 35°54′N 106°32′W |
Geography | |
Location | Sandoval County, New Mexico, US |
Parent range | Jemez Mountains |
Geology | |
Mountain type | Complex Caldera |
Volcanic arc/belt | Jemez Lineament and Rio Grande Rift |
Last eruption | 68,900 ± 1,000 years BP[2] |
Climbing | |
Easiest route | New Mexico State Road 4 |
Designated | 1975 |
Valles Caldera National Preserve | |
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![]() Valles Caldera | |
Location | Sandoval and Rio Arriba counties, New Mexico, United States |
Nearest city | Los Alamos, New Mexico |
Coordinates | 35.9°N 106.533°W / 35.9; -106.533[3] |
Area | 89,766 acres (363.27 km2) |
Established | July 25, 2000 |
Governing body | National Park Service |
Website | Valles Caldera National Preserve |