Lassen Park
| Lassen Volcanic National Park | |
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IUCN category II (national park)
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Lake Helen in Lassen Volcanic National Park
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| Location | Shasta, Lassen, Plumas, and Tehama Counties, California, USA |
| Nearest city | Redding and Susanville |
| Coordinates | 40°29′16″N 121°30′18″W / 40.4876594°N 121.5049807°WCoordinates: 40°29′16″N 121°30′18″W / 40.4876594°N 121.5049807°W |
| Area | 106,452 acres (430.80 km2) |
| Established | August 9, 1916 |
| Visitors | 536,068 (in 2016) |
| Governing body | National Park Service |
| Website | Lassen Volcanic National Park |
Lassen Volcanic National Park is a United States National Park in northeastern California. The dominant feature of the park is Lassen Peak, the largest plug dome volcano in the world and the southern-most volcano in the Cascade Range. Lassen Volcanic National Park started as two separate national monuments designated by President Theodore Roosevelt in 1907: Cinder Cone National Monument and Lassen Peak National Monument.
The source of heat for volcanism in the Lassen area is subduction off the Northern California coast of the Gorda Plate diving below the North American Plate. The area surrounding Lassen Peak is still active with boiling mud pots, stinking fumaroles, and churning hot springs. Lassen Volcanic National Park is one of the few areas in the world where all four types of volcano can be found (plug dome, shield, cinder cone, and strato).
The park is accessible via State Routes SR 89 and SR 44. SR 89 passes north-south through the park, beginning at SR 36 to the south and ending at SR 44 to the north. SR 89 passes immediately adjacent the base of Lassen Peak.
There are five vehicle entrances to the park: the north and south entrances on SR 89; and, unpaved roads entering at Drakesbad and Juniper Lake in the south, and at Butte Lake in the northeast. The park can also be accessed by trails leading in from Caribou Wilderness to the east, as well as the Pacific Crest Trail, and two smaller trails leading in from Willow Lake and Little Willow Lake to the south.
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Wikipedia