Mount Shasta's surface is relatively free of deep glacial erosion except, paradoxically, for its south side where Sargents Ridge runs parallel to the U-shaped Avalanche Gulch. If Shastina were a separate mountain, it would rank as the fourth-highest peak of the Cascade Range (after Mount Rainier, Rainier's Liberty Cap, and Mount Shasta itself). The mountain consists of four overlapping dormant volcanic cones that have built a complex shape, including the main summit and the prominent and visibly conical satellite cone of 12,330 ft (3,760 m) Shastina. The mountain has attracted the attention of poets, authors, and presidents. On a clear winter day, the mountain can be seen from the floor of the Central Valley 140 miles (230 km) to the south. Shasta rises abruptly to tower nearly 10,000 feet (3,000 m) above its surroundings. Mount Shasta is connected to its satellite cone of Shastina, and together they dominate the landscape. The mountain and surrounding area are part of the Shasta–Trinity National Forest. Mount Shasta has an estimated volume of 85 cubic miles (350 cubic kilometers), which makes it the most voluminous stratovolcano in the Cascade Volcanic Arc. At an elevation of 14,179 feet (4,321.8 meters), it is the second-highest peak in the Cascades and the fifth-highest in the state. Mount Shasta ( / ˈ ʃ æ s t ə/ SHASS-tə Shasta: Waka-nunee-Tuki-wuki Karuk: Úytaahkoo) is a potentially active volcano at the southern end of the Cascade Range in Siskiyou County, California.
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