Green Mountain
Peak · 8,608 ft · Yosemite corridor
Green Mountain is a 8,608-foot peak in Yosemite's high Sierra corridor, sitting on the crest between Tioga Pass and Tenaya Lake. Exposed ridge terrain with consistent afternoon wind.
Wind accelerates off the exposed crest by mid-afternoon, typically running 9 mph with gusts to 29 mph. Morning hours are calmer. Temperature averages 29 degrees over the last month. Avalanche terrain dominates the approach; winter ascents demand stable snowpack and current SAC forecasts.
Over the last 30 days, Green Mountain averaged a NoGo Score of 33 with wind at 9 mph and temperature at 29 degrees Fahrenheit. The week ahead looks similar to the recent baseline. Crowding remains light at 3 on the scale. Watch the chart for wind spikes; they typically spike in the afternoon window.
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About Green Mountain
Green Mountain sits at 8,608 feet on the crest between Tenaya Lake and the Tioga Pass corridor in Yosemite's high Sierra. The peak is accessed from Highway 120 via Tioga Road, which opens seasonally around late May. From the west, the nearest gateway is Lee Vining, roughly 2 hours from the peak. The location sits in avalanche terrain; approach and ascent require current SAC (Sierra Avalanche Center) forecasts and winter climbing experience.
Conditions here are defined by elevation and exposure. The 30-day average wind is 9 mph, but afternoon thermals and ridge effects push gusts to 29 mph regularly. Temperature averages 29 degrees; the rolling 365-day span shows winter minimums around 15 degrees and summer highs to 43 degrees. Crowding is minimal (3 on the scale), reflecting the peak's technical approach and avalanche hazard. Spring and early summer see snow-fed melt and lingering snowpack; by late September, the peak is mostly clear and wind-driven.
Green Mountain suits experienced backcountry skiers and winter climbers. Summer ascents are rare because the approach requires scrambling and routefinding through exposed terrain. Winter is the main season; climbers plan around stable snowpack windows and calm mornings. Afternoon wind makes the ridge inhospitable by mid-day. Parking near Highway 120 can fill on weekends once the road opens, but foot traffic to the peak itself stays light. SAC stability ratings and recent storm history drive the decision to go or hold.
Tenaya Lake lies just west of the peak and offers a lower-elevation alternative for testing conditions before committing to the ridge. Mount Dana, at 13,053 feet, is the dominant neighbor to the northeast and sees more traffic. Green Mountain's lower elevation and exposure make it a winter-focused alternative to the higher summits. The Yosemite corridor's Highway 120 access is seasonal, closing in winter; plan accordingly.