One of the 13 major Cascade Mountains volcanos, Mt Jefferson is located souteast of Portland and northwest of Bend. The mountain is within Willamette National Forest the Mt. Jefferson Wilderness Area, and the Warm Springs Indian Reservation to the north. The Pacific Crest National Scenic Trail crosses the mountain on it's western slope. The main access to the area is via Highway 22 from Salem or Bend.
The mountain, Oregon's second highest, was named by Lewis & Clark in 1805 for President Thomas Jefferson. While the volcano has not erupted for 15,000 years, it is not considered extinct.
Mt. Jefferson offers a true alpine technical climbing experience. Climbers gain as much as 7000 feet in elevation along some routes.