Mount Morgenson· Eastern Sierra· conditions updating now
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Mount Morgenson

Peak · 13,923 ft · Eastern Sierra corridor

Mount Morgenson is a 13,923-foot peak in the Eastern Sierra, rising above the Evolution Basin. Snow and exposure define the approach; it ranks among the region's technical scrambles.

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 funnels hard off exposed ridges in afternoon hours, reaching 43 mph during storms. Morning calm breaks by mid-day. Temperatures average 16 degrees Fahrenheit across the rolling month; expect frozen ground and residual snowpack well into spring.

The 30-day average score sits at 36, with the 30-day average wind holding at 12 mph and temperatures averaging 16 degrees Fahrenheit. Crowding remains minimal (2.0 on the rolling 30-day average). Watch for afternoon wind spikes and lingering snow on the approach as the week ahead develops.

30 days back / 7 days forward

NoGo Score
avg 32 · today 17
NoGo Score trend for Mount Morgenson: 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 Morgenson: 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 Morgenson: 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 Morgenson: 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 Morgenson

Mount Morgenson crowns the Evolution Basin in the Sierra Nevada's high country, roughly 40 miles northeast of Big Pine via Highway 395. Access runs through the Inyo National Forest via the Evolution Lake trailhead near the Palisade Lakes pack station. The peak sits in the Eastern Sierra avalanche region and sits on terrain prone to wet slab and corniced ridgelines, especially during thaw cycles. Approach via the Evolution Creek drainage and traverse to the north col before the final scramble. No established trail runs to the summit; navigation and scrambling skill are mandatory.

Snow dominance and temperature swings define Mount Morgenson's seasonality. The rolling 30-day average temperature of 16 degrees and 365-day minimum of -2 degrees reflect high-elevation winter persistence; summit snowpack typically survives into early summer. Wind averages 12 mph over the rolling month but spikes to 43 mph during weather systems. Crowding averages just 2.0 on the rolling 30-day metric, making this a low-traffic destination even during peak season. The approach gathers moisture from westerly flows and stacks snow at saddles and lee slopes. Afternoon wind is the dominant afternoon hazard.

This peak suits experienced mountaineers with winter travel skills and avalanche terrain awareness. Crampons and an ice axe are standard through late spring; wet-slab conditions are common as the snowpack deteriorates. The scramble involves class 3 and low class 4 rock once you clear snow. Solitude is nearly guaranteed; expect to encounter fewer than a handful of climbers. Park at the Evolution Lake trailhead and plan a full day for approach and descent. Thunderstorm risk climbs sharply by mid-afternoon; summit early and descend before wind and precipitation intensify.

The broader Evolution Basin offers multiple objectives within a day's walk: Darwin, Mendel, Haeckel, and Lamarck all sit in the same drainage and share similar approach logistics. Mount Morgenson ranks among the basin's steeper challenges and rewards the effort with unobstructed views of the Sierra crest. Compared to heavily-trafficked peaks near Highway 120 or the Whitney corridor, this location remains remote and under-visited year-round.

Best times to visit Mount Morgenson

Best day
Tuesday to Wednesday morning before 10 a.m.
Best season
Late May through early July
Watch for
Afternoon wind, avalanche terrain on approach, lingering snowpack

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