Believe it or not, "ice" climbs form in the Flatirons. They tend to provide a strange experience as they frequently feel serious and committing despite their proximity to Boulder. Protection tends to be scarce as does ice that provides good sticks, however the angle of the routes tends to compensate for the thickness and quality of the ice. The routes on the Flatirons seem to come in a few days after a big dump of snow during cold weather.
All of the documented routes are in the northern Flatirons, so park at Chataqua.
Browse More Classics in Flatirons
Mountain Project's determination of some of the classic, most popular, highest rated routes for Flatirons:
Mous-Ka-Tears WI4- PG13 Trad, Ice, 1 pitch, 215 feet, Grade II
Call the Copps WI3 M3 R Mixed, Ice, 4 pitches, 600 feet, Grade II
East Face Left Side aka Pink Dreams WI3 M5 R Mixed, Ice, 6 pitches, 800 feet, Grade III
East Face Gully aka Silk Road WI3 M5 R Mixed, Ice, 5 pitches, 600 feet, Grade III
Featured Route For Flatirons
East Face Gully aka Silk Road WI3 M5 R CO : CO Ice & Mixed : Flatirons
This route climbs the gully on the far right side of the east face of the First Flatiron. In excellent condition, this route would be trivial, however more normal conditions will require some rock climbing, some sketchy climbing on snice, some thin ice and some proper mixed climbing. Figure out how to get off the ground and into the bottom of the gully. Cruise up this with little in the way of protection until you reach a nice big patch of shady snow where the gully widens. A rock belay can be f...[more] Browse More Classics in CO