Mount Shasta (American Indian Tribe = Karuk Tribe: Úytaahkoo or "White Mountain") is located at the southern end of the Cascade Range in Siskiyou County, California and at 14,179 feet (4,322 m) 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.
Pilot Rock is a volcanic plug in the eastern Siskiyou Mountains and western Cascade Range, near the Siskiyou Summit in Ashland, Oregon. It is located within the Soda Mountain Wilderness and the Cascade–Siskiyou National Monument. The Pacific Crest Trail and several other trails have been built near it. Elevation:5,910 ft (1,801 m). Age of rock 25.6 million years.