Munt Shasta (Karuk: Úytaahkoo or ""White Muntain"") is a potentially active volcano at the soothren end o the Cascade Range in Siskiyou Coonty, Californie. At a elevation o 14,179 feet (4321.8 m), it is the seicont heichest peak in the Cascades an the fift heichest in Californie. Munt Shasta haes a estimatit volume o 85 cubic miles (350 km3), which maks it the maist voluminous stratovolcano in the Cascade Volcanic Arc.