Horn Mountain
Peak · 4,429 ft · Kings Canyon & Sequoia corridor
Horn Mountain is a 4,429-foot peak in the Kings Canyon and Sequoia corridor of the Sierra Nevada, sitting in avalanche terrain with moderate winter exposure. Spring and early summer offer the most stable climbing window.
Horn Mountain funnels wind off adjacent ridges and open slopes; afternoon gusts are common once thermal mixing begins. The peak sits higher and colder than the valley floor below. Early morning calm typically gives way to moderate-to-strong wind by mid-afternoon, especially on clear days.
Over the last 30 days, Horn Mountain has averaged a NoGo Score of 35, with winds holding at 6 mph on average but peaking at 21 mph. Temperatures have averaged 50 degrees Fahrenheit, and crowding has remained light at 2.0. The week ahead will track similar patterns; expect occasional spikes in wind and score, particularly on afternoons when thermal circulation peaks.
30 days back / 7 days forward
Today's score by factor
About Horn Mountain
Horn Mountain sits at 4,429 feet in the high Sierra within the Kings Canyon and Sequoia National Parks corridor, roughly 60 miles northeast of Visalia via Highway 198 and Highway 180. Access is via the Kings Canyon scenic byway; the peak lies in terrain requiring off-trail navigation from established trailheads. The location sits in avalanche terrain; winter and spring ascents demand assessment of slab stability and recent precipitation. Base popularity is low, meaning few day-use reports accumulate; solitude is the norm outside major holiday weekends.
Horn Mountain experiences moderate spring warming as the snowpack recedes through late April and May. The 30-day average temperature of 50 degrees Fahrenheit reflects a transitional zone where overnight lows still dip below freezing but daytime climbing is feasible on sheltered aspects. Wind averages 6 mph but peaks at 21 mph, indicating sustained afternoon thermals rather than extreme gusts. Crowding remains light year-round at 2.0; this peak draws experienced mountaineers and backcountry parties rather than casual hikers. Summer sees warmer temperatures and higher baseline wind; autumn brings clearer skies but increased exposure to Sierra windstorms after September.
Horn Mountain suits climbers with off-trail competence and avalanche awareness. Winter and spring ascents demand familiarity with slab stability assessment and the ability to retreat in deteriorating conditions. The peak's prominence and isolation mean parties must be self-sufficient; no ranger patrols or rescue infrastructure exists on the peak itself. Parking at Kings Canyon trailheads can fill on weekends; arrive early or plan for weekday travel. The rolling 30-day NoGo Score of 35 reflects conditions that favor calm early-morning departures; skip afternoon attempts when thermal wind builds.
Nearby alternatives include Kettle Peak and the higher Cartridge Pass peaks within the same corridor, all accessible from Highway 180. The comparison to Yosemite's high-country peaks is apt; Horn Mountain offers similar elevation-driven weather patterns but with lower baseline crowding and more technical ski-mountaineering appeal. Visitors pairing a Horn Mountain ascent with Lakes Basin exploration or Middle Fork Kings River access should budget extra time for snow-travel skills assessment in late spring.