The Maiden and the Devil’s ThumbBy joderd / December 17, 2015 The Maiden and Devil’s Thumb, (Almost) Winter. Boulder, Colorado, 2015 Two of Boulder’s iconic Flatiron pinnacles…the latter sometimes known as the “Boulder Boner”. With December weather, what a difference just a few days can make. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Related