Donner Pass
Peak · 7,057 ft · Lake Tahoe corridor
Donner Pass is a 7057-foot Sierra crossing where Highway 80 cuts through avalanche terrain between Truckee and Donner Lake. Wind-exposed and cold even in spring.
Wind funnels through the pass consistently; the 30-day average is 10 mph, with gusts reaching 23 mph. Morning hours sit calmer before afternoon thermal acceleration. Snowpack lingers into late spring, and steep slopes flank both sides of the highway.
Over the last 30 days, Donner Pass averaged a NoGo Score of 43.0, with temperatures around 34 degrees Fahrenheit and winds holding at 10 mph. The week ahead will continue this pattern of moderate wind and cold; watch for afternoon gusts and lingering snow stability concerns as temperature swings increase.
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About Donner Pass
Donner Pass sits on Highway 80 east of Sacramento, straddling the crest of the Sierra Nevada between Truckee (east) and Donner Lake (west). The 7057-foot elevation anchors this major California corridor; it is the primary winter and spring crossing for commercial traffic and recreation heading to the Tahoe basin and eastern Sierra. The pass itself is a narrow saddle with steep flanks; both sides hold avalanche terrain managed by the California Department of Transportation (Caltrans) and monitored by the Sierra Avalanche Center. Access is straightforward: drive Highway 80 directly to the summit; no fee, no permit, but winter chain requirements and road closures occur November through April depending on snowpack.
Spring conditions at Donner Pass reflect high elevation and exposure. The 30-day average temperature sits at 34 degrees Fahrenheit; the year-round maximum reaches 49 degrees, while winter lows touch 21 degrees. Wind averages 10 mph over 30 days but spikes to 23 mph in short bursts, particularly in afternoon hours. Crowds are minimal (average crowding index of 2.0 over 30 days), partly because the pass is primarily a transit point rather than a destination, and partly because heavy snow blocks casual visits mid-winter. Late spring and early fall offer the best conditions for stopping safely; mid-winter approach requires avalanche awareness and four-wheel-drive or chains. Summer (June to September) brings warmer temperatures but also afternoon thunderstorm risk.
Donner Pass suits highway travelers seeking a scenic stop, photographers documenting the Sierra crossing, and backcountry skiers and snow-explorers familiar with avalanche assessment. The pass is not a hiking or camping destination; it is a critical transit zone where many pull over briefly to check conditions or take photos. Winter visitors must understand that Highway 80 closures happen without notice; plan longer drive times and carry chains even if they are not legally required at the moment you leave home. Spring and fall offer a middle ground: the road is open and less crowded than summer, but snow lingers and afternoon wind is consistent. Experienced visitors time passes for early morning, when wind is lowest and visibility is clearest.
Donner Lake lies immediately west of the pass and offers a calmer, sheltered alternative for afternoon activities. The Tahoe basin itself (Truckee, Lake Tahoe shoreline) is 30 to 40 minutes east and features more varied recreation, higher summer crowds, and warmer water. Interstate 80 westbound descends to Auburn and Sacramento in under two hours, making Donner Pass a pivotal point for anyone transitioning between Central Valley and alpine terrain. The pass is also the gateway to extensive Sierra backcountry: Castle Peak, Anderson Peak, and numerous snow-fed drainages lie within a few miles north and south of the crest.