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Aerial view of Mount Lassen with snow, early May 2018. Lassen Peak lies within Lassen Volcanic National Park, in Shasta County, California, 55 mi (89 km) east of the city of Redding. [4] Lassen Peak and the rest of the National Park area are surrounded by the Lassen National Forest, [5] which has an area of 1,200,000 acres (4,900 km 2). [6]
Map of Lassen area showing hydrothermal features (red dots) and volcanic features or remnants (yellow cones). Also shown is the outline of Brokeoff Volcano (Mount Tehama). The park is located near the northern end of the Sacramento Valley, near the cities of Redding and Susanville.
The forest was first named the Lassen Peak Forest Reserve because of Lassen Peak, a volcano which is in the southernmost portion of the Cascade Range volcanoes. Mt. Lassen erupted with explosive force in 1915. The forest borders Lassen Volcanic National Park. The forest has two major river systems as well as many lakes, cinder cones and lava flows.
Lassen Volcanic National Park has a lot in common with its famous sister parks, but far fewer visitors.
The Lassen volcanic area presents a geological record of sedimentation and volcanic activity in and around Lassen Volcanic National Park in Northern California, U.S. The park is located in the southernmost part of the Cascade Mountain Range in the Pacific Northwest region of the United States.
Mountain Metres Feet Location and Notes Ojos del Salado: 6,893: 22,615: Argentina/Chile – highest dormant volcano on Earth: Monte Pissis: 6,793: 22,287: Argentina Nevado Tres Cruces
World peaks with 4000 meters of prominence from peakbagger.com; World top 50 most prominent peaks, originally compiled by David Metzler and Eberhard Jurgalski, and updated with the help of others as new elevation information, especially SRTM, has become available. World top 100 most prominent peaks, from the same authors as the top 50.
As part of Mount Tehama's main vent, Bumpass Hell is the result of fissures that tap the volcanic heat, thought to be a cooling mass of andesite, perhaps three miles (5 km) below the surface. It is named after Kendall Vanhook Bumpass, a cowboy and early settler who worked in the Lassen Peak area in the 1860s. Bumpass discovered the geothermal ...