Mount Thompson
Peak · 13,500 ft · Kings Canyon & Sequoia corridor
Mount Thompson, a 13,500-foot Sierra Nevada peak in the Kings Canyon and Sequoia corridor, crowns the high country east of the Inyo Range crest. Winter and spring approach via snow and avalanche terrain.
Mount Thompson sits exposed to wind funneling off the eastern Sierra. Afternoon gusts are routine. The 30-day average wind is 9 mph, with maxes near 24 mph. Early morning offers the calmest window before thermal circulation kicks in by mid-afternoon.
Over the past 30 days, Mount Thompson averaged a NoGo Score of 36.0 with temperatures near 28 degrees Fahrenheit and wind averaging 9 mph. The week ahead will track similar pressure patterns. Watch for afternoon wind spikes typical of high-elevation exposed terrain in this season.
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About Mount Thompson
Mount Thompson sits at 13,500 feet in the Kings Canyon and Sequoia high country, accessed primarily from the east via the Inyo and Bishop areas. The peak anchors the crest between the Upper Kern drainage and the Taboose Creek drainage. Vehicle access follows U.S. Highway 395 to local trailheads; the primary summer route climbs from the Taboose Pass approach. Winter and early spring routes cross avalanche terrain on the north and east faces. The peak is a destination for climbers and high-country backpackers seeking Sierra Nevada granite and glacial scenery.
Conditions on Mount Thompson are dominated by elevation and exposure. The 30-day average temperature sits at 28 degrees Fahrenheit; year-round range spans 12 to 44 degrees across the 365-day window. Wind averages 9 mph over the last 30 days with gusts reaching 24 mph. Crowding averages 2.0 (low relative to popular Sierra summits). Late September through October brings the most stable weather and drying snowpack. Winter holds avalanche hazard on steep couloirs; spring sees wet-slab risk as the snowpack warms. Summer offers the broadest access window, though afternoon thermal winds are persistent.
Mount Thompson suits experienced mountaineers and climbers comfortable with scrambling, exposed rock, and route-finding. Backpackers typically pair it with multi-day loops in the Taboose or Taboose Pass drainages. Early morning starts are essential; wind and weather deteriorate by afternoon. Snow and ice tools are required November through May. Avalanche awareness is critical on approach routes with slopes steeper than 30 degrees. Parking at nearby trailheads fills on weekends; mid-week visits and off-season travel reduce crowds and allow better focus on hazard assessment.
Nearby peaks in the Kings Canyon and Sequoia corridor include Mount Tawhai, Mount Weatherby, and the Inyo Crest summits to the north and south. Mount Whitney, the California high point, lies southwest and draws significantly more traffic but shares similar seasonal wind and snow patterns. The Taboose Pass approach rivals the Inyo crossing in difficulty and reward; climbers often combine both in a longer push. The high Sierra's thin air and lightning risk during afternoon storms demand respect regardless of season.