The Flatirons with a purple wildflower and golden grass. The Flatirons are rock formations in Boulder, Colorado consisting of flatirons. There are five large, numbered Flatirons ranging from north to south (First through Fifth, respectively) along the east slope of Green Mountain, and the term “The Flatirons” sometimes refers to these five alone. www.Fine-Art-Photography-Gallery.com 1-888-682-0122 […]