Old Fall River Road one-way restriction at Rocky Mountain: what applies in 2026?

Direct answer

Old Fall River Road: one-way uphill, vehicle size limits

Exact conditions

Status: Required under the listed conditions
Applies to: vehicles
Place or corridor: Old Fall River Road, 9.4 miles one-way uphill from Endovalley Picnic Area to Fall River Pass at the Alpine Visitor Center
Effective dates: July 4, 2026 through December 31, 2026
Release model: first come

Release detail: No separate permit. Access is covered by the standard Timed Entry (rest of park) reservation during 9 a.m. - 2 p.m.

Fee detail: No fee beyond the entrance pass and any applicable timed entry reservation.

Exceptions and limits

Vehicles over 25 feet and vehicles pulling trailers or tow vehicles are prohibited.
Temporary closures may go into effect at any time based on weather and conditions.

Official source

National Park Service · reviewed August 27, 2026

Because of the narrow width and sharp switch backs, vehicles over 25 feet and vehicles pulling trailers or tow vehicles are prohibited from traveling on Old Fall River Road.

Park Roads - Rocky Mountain National Park