Ypsilon Mountain

Ypsilon Mountain, elevation, is in the Mummy Range of Rocky Mountain [National Park] in northern Colorado. The mountain, along with Mount Chiquita, is most easily accessed from a trailhead on Fall River Road to the south. The mountain was named in 1887 after the Greek letter Ypsilon by Mrs. Frederick H. Chapin, who observed the Y-shaped snowfield on its east face.

Climbing

Ypsilon Mountain offers several climbing areas for mountaineers and rock climbers.
In 2023, Bailee Mulholland was fatally injured when she fell 500 feet while free-soloing the Four Aces of Blitzen Ridge on Ypsilon Mountain.