Mount Shasta

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Mount Shasta (Úytaahkoo in Karuk or "White Mountain") is located at the southern end of the cascades in Siskiyou County, California and at 14,179 feet (4,322 m)[1] is the second highest peak in the Cascades and the fifth highest in California. Mount Shasta has an estimated volume of 85 cubic miles (350 km3) which makes it the most voluminous stratovolcano in the Cascade Volcanic Arc.[5][6]

The mountain and its surrounding area are managed by the U.S. Forest Service, Shasta-Trinity National Forest.

Contents

Memorable descriptions

Mount Shasta is not connected to any nearby mountain. It rises abruptly and stands nearly 10,000 feet (3,000 m) above the surrounding terrain. The mountain has attracted the attention of poets, authors, and presidents. Shasta was memorably described by the poet Joaquin Miller:

Naturalist and author John Muir said of Shasta:

Theodore Roosevelt said:

Geology and climate

The mountain consists of four overlapping volcanic cones which have built a complex shape, including the main summit and the prominent satellite cone of 12,330-foot (3,760 m) Shastina, which has a visibly conical form (see image at left). If Shastina were a separate mountain, it would rank as the fourth-highest peak of the Cascade Range (after Mt. Rainier, Rainier's Liberty Cap, and Mt. Shasta itself).

Mount Shasta's surface is relatively free of deep glacial erosion except, paradoxically, for its south side where Sargents Ridge[10] runs parallel to the U-shaped Avalanche Gulch. This is the largest glacial valley on the volcano, although it does not presently have a glacier in it (see image below left).

There are seven named glaciers on Shasta, with the four largest (Whitney, Bolam, Hotlum, and Wintun) radiating down from high on the main summit cone to below 10,000 feet (3,000 m) primarily on the north and east sides.[4] The Whitney Glacier is the longest and the Hotlum is the most voluminous glacier in the state of California. Three of the smaller named glaciers occupy cirques near and above 11,000 feet (3,400 m) on the south and southeast sides, including the Watkins, Konwakiton, and Mud Creek Glaciers.

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