Summit Road (Open year-round, weather permitting)
Built in the 1930's, Summit Road is the oldest concrete road in the state and boasts the only vehicular tunnels in the state. It is narrow with sharp curves.
Vehicles longer than 25 feet and/or higher than 11 feet 7 inches are prohibited. All trailers are prohibited.
Visitors have the option to access the summit using our Summit Shuttle when staffing allows.
Hiking or bicycling on the Summit Road is only allowed during daylight hours when closed to vehicular traffic.
The Oregon Trail, Prairie View Trail and Saddle Rock Trail are open from sunrise to sunset. If you are planning to hike, be sure to bring plenty of water and appropriate clothing for the time of year.
The removal of any natural material including plants, animals and rocks is strictly prohibited.
In addition, climbing on rock faces is prohibited.
Horseback riding is permitted; however, riding on or adjacent to the remnants of the Oregon Trail, the paved trails, the Summit Road, and parking lots is prohibited.
Last updated: March 6, 2019