Mount Robinson· Eastern Sierra· conditions updating now
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Mount Robinson

Peak · 12,962 ft · Eastern Sierra corridor

Mount Robinson is a 12,962-foot peak in California's Eastern Sierra, sitting above the Inyo National Forest drainage. A remote, seldom-visited summit with avalanche terrain and exposure to afternoon wind funneling off the Sierra crest.

Today
16
NoGo Score · Go · excellent
Temp
42°F
Wind
11 mph
Vis
17 mi
Precip
0.00"
AQI
34
Cloud
0%

Wind dominates the afternoons; mornings hold calmer air. Temperatures average 19 degrees Fahrenheit over rolling 30 days, with max gusts reaching 46 mph. Snowpack stability is critical in winter and spring; aspect-facing transitions are prone to loading. Head here early or skip the day entirely if afternoon wind is forecast.

Over the past 30 days, Mount Robinson averaged a NoGo Score of 36.0, with wind holding at 12 mph mean and temperature at 19 degrees. Crowding remains minimal at 2.0 on the rolling average. The week ahead will follow the same pattern: watch for afternoon wind spikes and plan ascents before mid-day. Check ESAC stability bulletins before any winter or spring visit.

30 days back / 7 days forward

NoGo Score
avg 13 · today 12
NoGo Score trend for Mount Robinson: 30-day average 13, range 11 to 19; 6 days of forecastLine chart showing nogo score over 31 historical days and 6 days of forecast.
30-day average 13 (excellent); range 11 on Jun 17 to 19 on May 27. 7-day forecast trends in line with the historical average.
Wind
avg 12 · today 14mph
Wind speed trend for Mount Robinson: 30-day average 12 mph, peak 20 mph on May 26Line chart showing wind over 31 historical days and 6 days of forecast.
30-day average 12 mph; peak 20 mph on May 26. Week ahead peaks at 14 mph on Jun 25.
Temperature
avg 37 · today 45°F
Temperature trend for Mount Robinson: 30-day average 37°F, range 20 to 49°FLine chart showing temperature over 31 historical days and 6 days of forecast.
30-day average 37°F; range 20 (May 27) to 49 (Jun 17). Trending warmer.
Crowding
avg 4 · today 3
Crowding trend for Mount Robinson: typically quietLine chart showing crowding over 31 historical days and 6 days of forecast.
Typically quiet (avg 4); peak 5 on Jun 7.

Today's score by factor

Weather13
Crowding11
Avalanche10
Fire0
Traffic
Air quality7
Trails15
Seasonality43

About Mount Robinson

Mount Robinson crowns the ridge between the Inyo and Mono basins in the high Eastern Sierra, 12,962 feet above sea level. Access is via Highway 395 south from Mammoth Lakes or north from Independence, then unpaved roads and high-country approach. The peak sits remote enough that most traffic bypasses it for more popular summits; base popularity is low. Winter and spring approach requires avalanche awareness and solid snowcraft; summer and fall offer dry rock scrambling on unstable talus.

The 30-day average temperature of 19 degrees tells the story: Mount Robinson sits above timberline in an exposed alpine zone where winds accelerate off the crest. The rolling 30-day wind average of 12 mph masks afternoon peaks that touch 46 mph; mornings are noticeably calmer. Crowding averages 2.0 over rolling 30 days, meaning few visitors compete for parking or trail space. Spring snowpack stability is the dominant concern; summer brings drying and safer movement, but afternoon thermals push wind hard by 2 p.m. Fall can deliver the calmest, most stable conditions before winter compression.

Experienced peak baggers and mountaineers target Mount Robinson for high-altitude scrambling and winter mountaineering. The peak suits those comfortable with exposed ridges, scree, and brief steep sections. Park near the trailhead and plan an early start; afternoon wind and temperature drop make mid-day arrivals risky. Avalanche terrain exists on slopes facing north and east; carry a beacon, probe, and shovel in winter. Summer ascents tolerate loose rock and exposure; fall conditions are most forgiving. Solo travel is common but not recommended in whiteout or high wind.

The Eastern Sierra corridor offers crowded alternatives like Mount Whitney and Mount Williamson just south and west, drawing thousands where Mount Robinson sees dozens. Bishop Pass and Kearsarge Pass watersheds to the west receive far more traffic. Nearby Inyo Craters and Owens Lake basin offer lower-elevation desert views without the commitment. Peak baggers moving north along the Sierra crest often pair Mount Robinson with cirque peaks along the Mono Divide; the remote setting means few day-trippers venture this far north of Mammoth.

Best times to visit Mount Robinson

Best day
Tuesday or Wednesday morning before 10 a.m.
Best season
Late September through early October, and late June through mid-July
Watch for
Afternoon wind gusts to 46 mph; avalanche terrain instability in winter and spring

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