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When do the passes close for winter? The passes close for the season when the first severe winter weather arrives in the Sierra. That usually happens sometime between mid-November and mid-December. It could be earlier. Occasionally, winter won’t arrive until early January, but that is quite unusual.
See our Road Closures page to find out which Sierra passes are usually open, closed in winter, and when things change. Things can change suddenly in the mountains. Check the Caltrans QuickMap for the current conditions. Share this: Our interactive map of all 22 major Sierra Nevada mountain passes.
Caltrans closes the passes when winter arrives in earnest and continued attempts to keep the roads open would be futile. This typically happens in November or December. But it could be as early as October.
Mountain Pass Closures. Before driving, check with the Caltrans Highway Information Network (CHIN) 800.427.7623. Historical Mountain Pass Closure Dates (PDF) Before Heading for Snow Country.
The California Department of Transportation attempts to keep Donner Summit (Interstate 80, I-80), Echo Summit (U.S. Route 50, US 50) and Carson Pass (State Route 88, SR 88) open year-round. Most other passes at higher elevation than these are usually closed during winter, with opening and closure dates varying based on snowfall and available ...
Caltrans District 10 manages three passes in the Central Sierra that are closed during winter and re-opened in the spring. These passes are: Ebbetts Pass (State Route 4) in Alpine County, Sonora Pass (State Route 108) in Tuolumne County, and Monitor Pass (State Route 89) in Alpine County.
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Jan 26, 2021 · Some roads are always closed in the winter, such as the highways to Sequoia/Kings Canyon National Park or Tioga Pass into Yosemite. Highway 1 along the coast is sometimes closed due to mudslides, while Highway 5 entering Los Angeles is sometimes closed due to snow or wind.
