Mount Jefferson is the second highest peak in Oregon and because of its summit pinnacle requiring Class 4 scrambling on very steep, usually ice-encrusted rock, it is considered by some to be the most difficult of the higher volcanoes (above 10,000'). With over 5,777 feet of prominence, Jefferson is one of the 57 ultra-prominent peaks of the contiguous United States and is only one of four peaks on this list from Oregon. The Jeff Park Glacier route requires a step up in skill as getting up the glacier requires climbing 50 deg snow and/or ice along with climbing along an exposed knife edge to reach the summit block. After this the party will then follow the Whitewater Glacier route back to their camp above Jefferson Park. Those who would like to be considered must have the following skills: