The National Park Service has released its visitor access plans for summer 2026, and the changes affect four of the most visited parks in the country. Yosemite, Arches, and Glacier will not require broad timed entry reservations next year. Rocky Mountain National Park will continue using its system during peak season.
That shift follows what the agency described as a review of traffic flow, parking capacity, and visitor demand during the 2025 season. Officials say the new plans are designed to expand public access while still managing congestion and emergency access.
Below is how the rules will work in each park.
Arches National Park
Arches National Park will not use a timed entry reservation system in 2026. Visitors will not need to book a specific entry window in advance.
The park is encouraging early arrival and flexibility during busy periods. Arches will rely on real-time traffic management and parking controls when lots reach capacity. The park also continues to promote after-hours visitation; it is designated as an International Dark Sky Park, and evening visits are encouraged when conditions allow.
Glacier National Park
Glacier National Park will not require a park-wide vehicle reservation system in 2026. However, congestion management will continue in specific high-demand areas.
Going-to-the-Sun Road will remain under active management. Parking limits at Logan Pass will be enforced. Temporary vehicle diversions may be implemented if safety thresholds are reached. Glacier is moving away from a broad reservation requirement, but visitors should still expect traffic controls in the most crowded corridors.
Yosemite National Park
Yosemite National Park will not require advance reservations in 2026, including during peak summer months and the February to March firefall period.
The park will rely on real-time traffic management measures. These include temporary traffic diversions when parking areas reach capacity and the deployment of additional seasonal staff to manage high-use areas. Yosemite has used timed entry in past seasons, so the removal of advance reservations marks a notable change for 2026.
Rocky Mountain National Park
Rocky Mountain National Park will continue its timed entry reservation system from late May through mid-October. The system aligns vehicle entry with available parking and roadway capacity.
Rocky Mountain has operated under this structure for multiple seasons. The park coordinates the program with Colorado officials and gateway communities, and there are no announced changes for 2026.
What This Means for RV Travelers
These updates affect some of the most popular road trip destinations in the country. Yosemite, Glacier, and Arches will not require visitors to secure entry windows in advance, but capacity controls will still apply once parking areas and roadways fill.
Rocky Mountain remains the exception. RVers planning a visit between late May and mid-October will still need to follow that park’s timed entry process.
The National Park Service has stated that parks not using timed entry will closely monitor visitation and congestion. Additional measures may be implemented if conditions warrant, including increased staffing, parking management tools, and technology pilots designed to improve access while maintaining safety.
For 2026 travel planning, the headline is clear. Three major parks are stepping away from broad reservation systems, and one is staying the course. If these parks are on your route this year, review each park’s specific access plan before you go and be prepared for on-the-ground traffic controls during peak periods.
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