The Ellingwood Arete (also known as Ellingwood Route or Ellingwood Ledges or some combination thereof) is a popular technical climbing route on Crestone Needle in Colorado's Sangre de Cristo Range.

The Ellingwood Ledges Route is recognized in the historic climbing text Fifty Classic Climbs of North America.

[2][3] An "arete" is "a sharp narrow ridge found in rugged mountains".

[4] Albert R. Ellingwood was a pioneering member of the Colorado Mountain Club and the first to climb the Crestones[5] On these climbs including the 1925 ascent of the arete,Ellingwood was partnered with the long lived Eleanor Davis.

The route is technically difficult, and the site of multiple climbing fatalities.