Size Limits & Roads
Vehicle length, width and height restrictions on park roads and tunnels, from Zion to Glacier, with the official source for each number.
2 guides
- Glacier National Park RV Size Limits on Going-to-the-Sun Road
Glacier RV size limits: 21 ft long, 8 ft wide between Avalanche Creek and Rising Sun on Going-to-the-Sun Road, which campgrounds fit 35-40 ft rigs, Logan Pass rules.
Updated Oct 2026 - Zion RV Rules 2026: Size Limits and the Mt. Carmel Route
Zion RV size limits since June 2026: 35 ft 9 in single, 50 ft combined, 7 ft 10 in wide, 11 ft 4 in tall on the Mt. Carmel Highway, plus campground fit and detours.
Updated Oct 2026
