Upper Soldier Lake
Lake · Eastern Sierra corridor
Upper Soldier Lake sits at 11,234 feet in California's Eastern Sierra, a high-alpine basin lake exposed to afternoon wind funnels off the ridge corridor.
Wind dominates: 13 mph average with sustained gusts to 47 mph, strongest mid-afternoon. Morning hours are calm and clear. Water temperature stays cold year-round. Exposure is total; no sheltering peaks break wind coming off the high traverse.
The 30-day average wind of 13 mph reflects typical spring-through-fall patterns at this elevation. Temperature swings from 5 degrees in winter to 34 degrees in peak summer, averaging 21 degrees. Over the next week, expect afternoon strengthening and crowding spikes tied to holiday weekends and Highway 120 opening windows.
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About Upper Soldier Lake
Upper Soldier Lake is a subalpine water body in the Eastern Sierra corridor, east of the Sierra crest and accessible from US Route 395 via the Inyo National Forest road network. The lake drains into the Kern River watershed. Gateway towns include Independence and Lone Pine, both roughly 1 to 1.5 hours south. Approach roads close seasonally; confirm high-Sierra road status before driving. The location sits in the rain shadow of the main Sierra ridge, so summer thunderstorms are less frequent than on the west slope but still possible.
Conditions swing sharply with elevation and season. At 11,234 feet, Upper Soldier Lake averages 21 degrees Fahrenheit over the rolling 30 days, with annual lows near 5 degrees and highs reaching 34 degrees. Wind is the defining constraint: the 30-day average of 13 mph masks a range of 4 to 28 on the NoGo Score, and gusts spike to 47 mph. Afternoons consistently see the worst wind; mornings offer a 2 to 4 hour window of relative calm before mid-day heating triggers drainage winds off the ridge. Late September through early October brings the most stable weather and lowest crowding. Spring (May through June) sees melt-driven flow and heavy wind; July and August bring afternoon thunderstorm risk and peak visitor traffic.
Upper Soldier Lake suits high-altitude hikers, climbers, and mountaineers accustomed to exposed terrain and rapid weather shifts. Paddlers and swimmers should time visits to early morning before wind closes the window. The 30-day average crowding of 3.0 is low absolute, but weekend surges after Highway 120 opens or during holiday breaks are real. Parking is limited. Plan for 6 to 8 hours of daylight in winter, 15 plus hours in summer. Bring insulation even in July; temperature swings of 20 degrees between sun and shade are normal. No reliable cell coverage.
Nearby comparison: Lower Soldier Lake, slightly lower and more sheltered, sees marginally calmer afternoons but similar wind climatology. The Kern Plateau lakes (Kern Lake, Guyot) sit further east and are colder and windier. For those avoiding the high-sierra wind regime, the Inyo Lakes chain west of Lone Pine offers lower elevation, earlier seasonal access, and more moderate afternoon gusts, though they draw heavier crowds.