Haystack
Peak · 4,632 ft · Eastern Sierra corridor
Haystack is a 4632-foot peak in California's Eastern Sierra corridor, situated in high-desert terrain with exposure to afternoon wind funnel effects. Typically windier and more exposed than sheltered lake coves nearby.
Wind dominates the afternoon; morning calm windows close by mid-day. Expect sustained gusts funneling off the high desert floor below. The peak sits exposed at elevation with minimal shelter. Plan movement for first light or accept afternoon buffeting.
Over the past 30 days, Haystack averaged 15 mph wind and a NoGo Score of 36, with maximum gusts reaching 35 mph. The week ahead follows typical Eastern Sierra spring patterns: morning windows narrow as afternoon heating drives wind up slope. Watch for rapid warming cycles that sharpen afternoon thermals.
30 days back / 7 days forward
Today's score by factor
About Haystack
Haystack stands at 4632 feet in the Eastern Sierra corridor of California's Sierra Nevada, positioned in open high-desert geography with minimal obstruction. Access is primarily via Highway 395 through Inyo County; the peak sits between the Inyo Range proper and lower desert floor. Gateway towns include Bishop and Big Pine to the south. The location offers no natural wind shelter and sits fully exposed to westerly and northwesterly flow; afternoon thermals accelerate upslope considerably. This is a destination for hikers, scramblers, and peak baggers willing to navigate open, windy terrain.
Conditions at Haystack track the classic Eastern Sierra spring and summer pattern: calm mornings with increasing wind by late morning, peaking in the afternoon. The 30-day average wind stands at 15 mph with gusts to 35 mph recorded; temperature averages 57 degrees Fahrenheit over the same window. Winter brings snow and avalanche exposure; the peak is mapped in ESAC avalanche terrain and requires winter route awareness. Late spring through early fall offers the safest climbing window, though wind remains the dominant constraint year-round. Crowding remains light at an average of 2 people, reflecting the peak's low base popularity and exposure.
Haystack suits experienced peak baggers, scramblers, and alpine hikers comfortable with wind exposure and self-sufficiency. The open terrain demands early-morning starts to finish before afternoon wind peaks. Parking near the trailhead is limited; arrival before dawn is common on weekends. Water is scarce; carry all you need. The high-desert exposure means intense sun and rapid temperature swings between shadow and direct light. Winter ascents require avalanche assessment and understanding of ESAC forecasts; many approaches cross or climb terrain prone to wind slab and instability.
Nearby peaks in the Eastern Sierra corridor offer similar exposure but different character: Wheeler Peak to the north sits at higher elevation with longer winter snow retention; White Mountain Peak and the White Mountains range to the east sit slightly lower but equally windswept. For sheltered alternatives, the Inyo Range foothills and canyon drainages provide shade and wind blockage. Haystack's defining trait remains its accessibility from Highway 395 and its unforgiving afternoon wind; plan accordingly.