Front Range was the last step in forming the present-day geologic sequence and history of today’s Front Range. The Front Range includes the highest peaks along the eastern edge of the Rockies. The highest mountain peak in the Front Range is Grays Peak. Other notable mountains include Torreys Peak, Mount Evans, Longs Peak, Pikes Peak, and Mount Bierstadt. The main interstate highways that run through the Front Range are Interstate 70, which crosses west of Denver, Colorado, and Interstate 80, which crosses near Laramie, Wyoming. U.S. Route 34 travels through the mountains near Loveland, Colorado. Along with roads that run through the
Cayoosh Range which are in the Cantilever Range west of Lytton. The second-highest peak in the Cayoosh Range is Mount Marriott at 2735 m (8973 ft), due south of D'Arcy (N'quatqua); it is not named for the hotel-empire family of the same name but for an RCAF officer who was killed in action in World War II. Other summits include Cayoosh Mountain at 2561 m (8402 ft), Mount Oleg at 2587 m (8488 ft), Saxifrage Mountain at 2501 m (8205 ft), and Mount Rohr at 2423 m (7949 ft). Cayoosh Range The Cayoosh Range is the northernmost section of the Lillooet Ranges,