These enormous sandstone flakes are Boulder's signature geologic feature.This is an all-day climbing expedition designed for climbers with some basic experience. Our guides will lead you to the summit of the Flatirons, aided only by climbing gear and sheer endurance. You'll climb the face of these sandstone giants to 1,400 feet above Boulder City. Views from the ridge are unbeatable and so is the feeling you get when you reach the top. To complete this climb you must be an experienced belayer and comfortable with heights.All of the guides at Natural are expert climbing guides with extensive local knowledge and wilderness medical training. Challenge yourself in a safe environment, with professional guides, and professional gear. Trips are customizable, any number, all skill levels welcome.