Lava flows began forming in the numerous valleys that are present throughout the range today. Over time, the Sierra Nevada began to rise and tilt westward. The continued pressure resulted in a section of the Earth’s crust being uplifted by the pressure of the Coastal Range to the west and the Basin and Range Province to the east. These peaks began forming around 20 million years ago.ĭuring this time, crustal extension led to an immense amount of volcanism with the Sierra Nevada. The part of the Sierra Nevada that runs throughout the forest contains a number of roof pendants that date back to the Paleozoic era. Immediately south of the forest lies Desolation Wilderness of the Eldorado National Forest, while Lassen National Forest and Plumas National Forest are located to the north and the Mount Rose Wilderness of the Humboldt-Toiyabe National Forest is located to the east. However, lakes are less common within the wilderness.Īdditionally, Tahoe National Forest is surrounded by other popular outdoor recreation areas. The peaks in this portion of wilderness are heavily glaciated and characterized by cirques, deep valleys, along with U-shaped valleys. The Granite Chief Wilderness lies within the forest, spanning 19,048 acres (7,700 ha) of land. Though river canyons are more prolific on the western side, they can be found in the eastern region as well. ![]() There are hundreds of lakes and reservoirs scattered throughout the forest with the most The eastern foothills of Sierra Nevada are more arid than those to the west and they feature fewer pine trees and more sagebrush. The eastern side of the forest is home to gentler slopes as the peaks transition into the open expanse that characterizes western Nevada. ![]() The peaks on the western side of the forest often offer panoramic views of the protected region. Moving eastward, the forest is met with steep and rugged canyons as well as numerous rivers and streams. The western side of the forest lies to the northeast of Sacramento and is characterized by its dense pine forest. The forest covers over 870,000 acres (352,000 ha) of land across the northern crest of the Sierra Nevada. It includes parts of Nevada, Yuba, El Dorado, Plumas, Placer, and Sierra counties. ![]() Tahoe National Forest is situated in east-central California, along the state’s border with Nevada.
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