County Highway 730 is a high mountain road located in Grand County, in the U.S. state of Colorado. It’s one of the highest mountain roads of Colorado.
Set high in the Arapaho and Roosevelt National Forests, the road is totally unpaved. It tops out at 3.647m (11,965ft) above the sea level near its end. 4x4 required. The trail is usually blocked by the snow line until late June with snow drifts present until early July. The trail remains open usually until snowfall restricts travel again in mid-fall. The drive features more than 12 hairpin turns.
Starting at County Highway 725, the road is 12.87km (8.0 miles) long. It’s a steep drive, hitting a 13.6% of maximum gradient through some of the ramps.