Mount Shasta (Karuk: Úytaahkoo or "White Mountain") is a potentially active volcano located at the southern end of the Cascade Range in Siskiyou County, California. At an elevation of , it is the second highest peak in the Cascades and the fifth highest in California. Mount Shasta has an estimated volume of , which makes it the most voluminous stratovolcano in the Cascade Volcanic Arc.