Guanella Pass Scenic Byway

The Guanella Pass Scenic Byway is a National Forest Scenic Byway and Colorado Scenic and Historic Byway located in Clear Creek and Park counties, Colorado, USA. The byway traverses Guanella Pass at elevation 11670 ft in Arapaho and Pike national forests. The pass lies above timberline surrounded by Grays Peak at elevation 14278 ft, Torreys Peak 14275 ft, Mount Blue Sky 14271 ft, and Mount Bierstadt 14065 ft. The byway passes through the Georgetown–Silver Plume Historic District, and provides access to the Georgetown Loop Historic Mining & Railroad Park and the Georgetown Loop Railroad. The byway is renowned for its spectacular autumn colors during aspen color change from September 10 through October 10 each year.