Glenn Springs Road 16-mile (26km)
This road skirts the eastern slopes of the Chisos, and leads to the Glenn Springs Historic Site. As it descends from Glenn Springs to the River Road, it generally becomes smoother. Glenn Springs road is also the access for Pine Canyon, Juniper Canyon, and Black Gap roads.
Pine Canyon Road 4 miles (6km)
Pine Canyon road provides access to the Pine Canyon trailhead. Five primitive roadside campsites are located along this road.
Black Gap Road 8.5 miles (14km)
Juniper Canyon Road
This road connects Glenn Springs Road with River Road. This road is not maintained, and 4-wheel drive is required at all times. Two primitive roadside campsites are along the Black Gap road—Glenn Springs 1 (GS-1) and Elephant Tusk 1 (EL-1).
5 miles (8km)
This road is rocky and and usually requires 4-wheel drive. The road leads to the Juniper Canyon Trail and Dodson Trail junction.Two primitive roadside campsites are located along the Juniper Canyon road—Robbers Roost 1 (RR-1) and Twisted Shoe 1 (TS-1).