Image Description from historic lecture booklet: "Mt. Jefferson has glaciers of considerable magnitude. The glaciers here, as elsewhere in the Cascade region, are of the Alpine type, but are some what peculiar for the reason that they radiate from isolated peaks."
Mt. Jefferson is the second highest mountain in the Oregon Cascades. Its altitude is officially given as 10,350 feet, being only 875 feet less than Mt. Hood. Owing to the numerous intervening chains of foothills, there are few points in the Willamette valley that afford a good view of Jefferson, but from the east it stands out a magnificent spectacle.
Mount Jefferson is the second highest peak in Oregon. There is no uncertainty as to its christening. On March 30, 1806 Captain Clark of the Lewis and CLark expedition from the Columbia River saw the tip of a white pinnacle outlined against the horizon far to the south, and he named it Mount Jefferson in honor of the President who had sponsored the expedition.