Wawona Road
Continuation of Highway 41 inside the park
Maximum vehicle length: 45 feet (for single vehicles).
Height restrictions: Wawona Tunnel, into Yosemite Valley: 10 feet 2 inches at curb; from Yosemite Valley, 13 feet 6 inches at curb (the height of the tunnel at the white fogline is higher and California-legal vehicles are able to drive through the tunnel while remaining in their lane).
Seasons: Open all year (chains may be required in winter).
El Portal Road
Continuation of Highway 140 inside the park
Maximum vehicle length: 45 feet for single vehicle, 60 feet for combination vehicle, 35 feet for towed vehicle from hitch to rear bumper
Height restrictions: 12 feet 10 inches
Seasons: Open all year (chains may be required in winter).
Note: Highway 140 outside the park (between El Portal and Mariposa) can accommodate vehicles up to 45 feet long, effective June 27, 2008. The 28-foot total vehicle length limit will no longer be in effect beginning June 27, 2008.
Big Oak Flat Road
Continuation of Highway 120 from the west into the park
Maximum vehicle length: 45 feet for single vehicle.
Height restrictions: tunnels, from Yosemite Valley: 10 feet 3 inches; into Yosemite Valley, 13 feet 8 inches (the height of the tunnel at the white fogline is higher and California-legal vehicles are able to drive through the tunnel while remaining in their lane).
Seasons: Open all year (chains may be required in winter).
Tioga Road
Continuation of Highway 120 through the park
Seasons: Closed from approximately November through May. Overnight parking is not permitted between October 15 and the opening of the road in spring.
Read below for tips on pulling a trailer over Tioga Pass.
Glacier Point Road
Maximum vehicle length: Beyond Sentinel Dome/Taft Point trailhead, 30 feet for single vehicle, no trailers. Buses longer than 30 feet or with capacity of 26 passengers or more are not permitted beyond the Yosemite Ski & Snowboard Area (formerly Badger Pass).
Seasons: Closed from approximately November through May (Badger Pass portion of the road is open from approximately mid December through March). Overnight parking on the Glacier Point Road between the Yosemite Ski & Snowboard Area and Glacier Point is not permitted between October 15 and the opening of the road in spring.
Mariposa Grove Road
Maximum vehicle length: 25 feet; no trailers permitted.
Seasons: Closed approximately November to March or April.
Hetch Hetchy Road
Maximum vehicle length: 25 feet
Maximum vehicle width: 8 feet (mirror to mirror)
Seasons: Open all year (chains may be required in winter).
This is the only park road not open 24 hours/day. The hours below may change without notice:
April 1 to April 30: 8 am to 7 pm
May 1 to Labor Day: 7 am to 9 pm
Day after Labor Day to October 31: 8 am to 7 pm
November 1 to March 31: 8 am to 5 pm
Note: Commercial trucking through Yosemite is prohibited.