Mount Muir· Eastern Sierra· conditions updating now
Open the map →

Mount Muir

Peak · 14,019 ft · Eastern Sierra corridor

Mount Muir stands at 14,019 feet in the Eastern Sierra, a high alpine peak accessible from the Inyo National Forest. Winter and spring conditions dominate; avalanche terrain requires experience.

Today
22
NoGo Score · Go · excellent
Temp
17°F
Wind
22 mph
Vis
10 mi
Precip
0.00"
AQI
28
Cloud
2%

Wind averages 12 mph but gusts to 43 mph in afternoon thermals. Exposure is extreme; afternoon wind funnels off the surrounding ridges and lake basins. Morning calm windows close by mid-day. Crowding remains light year-round.

Over the past 30 days, the average NoGo Score was 36.0, with temperatures averaging 16 degrees and wind at 12 mph. The week ahead tracks typical spring volatility for this elevation; watch for afternoon wind spikes and lingering snowpack instability on steep north-facing slopes. Conditions shift rapidly with time of day.

30 days back / 7 days forward

NoGo Score
avg 32 · today 17
NoGo Score trend for Mount Muir: 30-day average 32, range 15 to 46; 7 days of forecastLine chart showing nogo score over 31 historical days and 7 days of forecast.
30-day average 32 (good); range 15 on May 2 to 46 on Apr 22. 7-day forecast trends slightly better.
Wind
avg 11 · today 12mph
Wind speed trend for Mount Muir: 30-day average 11 mph, peak 27 mph on Apr 21Line chart showing wind over 31 historical days and 7 days of forecast.
30-day average 11 mph; peak 27 mph on Apr 21. Week ahead peaks at 18 mph on May 10.
Temperature
avg 19 · today 21°F
Temperature trend for Mount Muir: 30-day average 19°F, range 11 to 27°FLine chart showing temperature over 31 historical days and 7 days of forecast.
30-day average 19°F; range 11 (Apr 22) to 27 (May 2). Trending warmer.
Crowding
avg 2 · today 5
Crowding trend for Mount Muir: typically quietLine chart showing crowding over 31 historical days and 7 days of forecast.
Typically quiet (avg 2); peak 5 on May 2.

Today's score by factor

Weather33
Crowding11
Avalanche10
Fire0
Traffic
Air quality6
Trails20
Seasonality41

About Mount Muir

Mount Muir sits at 14,019 feet in the Eastern Sierra backcountry, east of the Sierra crest near Kearsarge Pass and the Inyo National Forest. Primary access runs through the town of Lone Pine via US Highway 395; the Kearsarge Pass Trail or high-country scrambles from the Onion Valley area form the standard approach. The peak sits in avalanche terrain and requires mountaineering experience, navigation skill, and avalanche awareness. Most ascents occur in late spring through early autumn when snowpack consolidates and weather windows open.

Spring conditions at Mount Muir are characterized by lingering snow, instability on steep slopes, and afternoon wind that builds reliably by noon. The 30-day average temperature of 16 degrees reflects late winter and early spring; highs reach the mid-30s Fahrenheit on calm days, while nights drop below freezing year-round at this elevation. Wind averages 12 mph over rolling 30 days but gusts to 43 mph, compressed into afternoon thermals and ridge-funneling. Crowding stays at 2.0 on the NoGo scale, far lighter than Yosemite or Whitney, because the peak demands technical climbing and off-trail navigation.

Mount Muir suits climbers and mountaineers with winter or spring alpine experience. Hikers without scrambling skill or avalanche awareness should avoid the peak entirely. Expect deep snowpack, exposed rock, and route-finding complexity. Park at Onion Valley trailhead early; lots fill by mid-morning on weekends. Carry an avalanche beacon, probe, and shovel if traveling before late May. The peak remains exposed to wind and lightning; afternoon storms arrive without warning.

Nearby alternatives include Kearsarge Peak (13,823 feet, less technical, slightly lower elevation) and the Kearsarge Lakes basin (easier access, no climbing). Mount Whitney dominates the corridor 12 miles south and draws far higher crowds; Mount Muir offers genuine solitude at the cost of greater technical demand. The Eastern Sierra avalanche forecast covers Inyo County terrain; consult current stability assessments before heading to high-country slopes.

Best times to visit Mount Muir

Best day
Tuesday or Wednesday morning
Best season
Late May to early September
Watch for
Avalanche terrain; afternoon wind and lightning

Nearby

S'brutal Tower
0.1 mi · Peak
Aiguille Junior
0.2 mi · Peak
Trail Crest
0.4 mi · Peak
Aiguille du Paquoir
0.4 mi · Peak
Discovery Pinnacle
0.4 mi · Peak
Aiguille Extra
0.5 mi · Peak