This document discusses several volcanoes in Oregon, including Mt. Hood at 11,250 feet elevation located on the Cascade Mountain Range and last erupted in 1866, Mount Jefferson at an unknown elevation also located on the Cascades and last erupted in 950 AD, Mt. Bachelor at 9,068 feet located on the Cascades near Bend, Wizard Island in Crater Lake at 6,932 feet on the Cascades of unknown last eruption, and Mt. McLoughlin at 9,495 feet in southern Oregon on an unknown mountain range.