Colorado State Highway 15

The Colorado State Highway 15 (short CO 15) is a state highway in the U.S. state of Colorado, which runs in the San Luis Valley.

The State Highway begins at the U.S. Highways 160 and 285 in Monte Vista, and ends after 50 kilometers north of La Jara on U.S. Highway 285 He sometimes uses the route of County Route 10 and is used as a long-range bypass around the city Alamosa.