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The only active Cascade volcano with an elevation above 10,000 ft (3,000 m) that is not a stratovolcano, [8] Lassen Peak is a rhyodacitic lava dome. [44] It represents one of the largest lava domes on Earth, with a height of 2,000 ft (610 m) above its surroundings, [ 43 ] and an approximate volume of 0.60 cu mi (2.5 km 3 ). [ 45 ]
The Lassen area was first protected by being designated as the Lassen Peak Forest Preserve. Lassen Peak and Cinder Cone were later declared as U.S. National Monuments in May 1907 by President Theodore Roosevelt. [9] Starting in May 1914 and lasting until 1921, a series of minor to major eruptions occurred on Lassen.
Highest point; Elevation: 6,896 ft (2,102 m) NGVD 29 [1] Coordinates: 1]: Geography; Location: Lassen and Shasta counties, California, U.S.: Parent range: Cascade Range: Topo map: USGS Prospect Peak: Geology; Mountain type: Extinct Cinder cone: Volcanic arc: Cascade Volcanic Arc: Last eruption: 1666: Climbing; Easiest route: Trail hike: Cinder Cone is a cinder cone volcano in Lassen Volcanic ...
Lake Helen is a glacial lake or a tarn occupying a cirque at around 8,200 feet (2,500 m) in Lassen Volcanic National Park. [1] The lake is located to the south of Lassen Peak and west of Bumpass Mountain in the Shasta Cascades region of Northern California. Highway 89 runs along the lake's southern and eastern shore. [2]
Lassen Volcanic National Park has a lot in common with its famous sister parks, but far fewer visitors.
Highest point; Elevation: 9,239 ft (2,816 m) NAVD 88 [1] Prominence: 915 ft (279 m) [1] Listing: California county high points 17th: Coordinates: 2]: Geography; Location: Shasta / Tehama counties, California, U.S.: Parent range: Cascade Range: Topo map: USGS Lassen Peak: Geology; Mountain type: Eroded stratovolcano: Volcanic arc: Cascade Volcanic Arc: Climbing; Easiest route: Hike: Former ...
The topographic elevation of a summit measures the height of the summit above a geodetic sea level. [b] [c] The first table below ranks the 50 highest major summits of California by elevation. The topographic prominence of a summit is a measure of how high the summit rises above its surroundings.
Located 2 miles (3.2 km) to the north of Lassen Peak, they have an elevation of about 8,448 feet (2,575 m). [1] The Lassen Volcanic National Park area is surrounded by the Lassen National Forest, [4] which has an area of 1,200,000 acres (4,900 km 2). [5] Nearby towns include Mineral in Tehama County and Viola in Shasta County. [6]
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