State Highway 9 (SH 9) in the U.S. state of Colorado is a 138-mile-long (222 km) state highway through central Colorado. SH 9's southern terminus is at U.S. Route 50 (US 50) near Cañon City, and the northern terminus is at US 40 in Kremmling. SH 9 is part of the Gold Belt Byway from US 50 to High Park Road and the Colorado River Headwaters National Scenic Byway from US 40 to Trough Road.