East Quarter Dome
Peak · 8,316 ft · Yosemite corridor
East Quarter Dome is an 8,316-foot peak in Yosemite's high Sierra corridor, sitting east of the valley's granite domes. Winter and spring approach via Tioga Road; summer access from the valley floor requires scramble skill and rockfall awareness.
Wind accelerates off the exposed eastern face by mid-afternoon, funneling down from the high country. Morning calm windows close by 10 a.m. Snow and ice persist through spring; rock is wet and loose after thaw cycles. Exposure is real; retreat before conditions degrade.
The 30-day average wind is 8 mph, with gusts reaching 25 mph; the 30-day average temperature is 31 degrees Fahrenheit, typical for high-Sierra spring. The week ahead will show whether afternoon thermals and upper-elevation winds follow the late-April pattern. Crowding remains light (30-day average 3.0), but conditions dictate timing more than crowds do.
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About East Quarter Dome
East Quarter Dome rises directly east of Half Dome on Yosemite's eastern rim. The peak anchors the high-elevation traverse zone between Tenaya Lake and the Cathedral Range. Primary access from Yosemite Valley requires the High Sierra Loop trail or a multi-day approach via the backcountry; most summer visitors ferry from the valley floor via the Mirror Lake Loop or High Sierra Camps connector. Highway 120 (Tioga Road) opens late spring and provides the fastest gateway from Lee Vining, California. The peak sits in the Yosemite corridor's avalanche terrain; the Sierra Avalanche Center (SAC) monitors snowpack stability.
Spring temperatures average 31 degrees Fahrenheit across the 30-day rolling window, with recorded lows near 6 degrees and highs reaching 47 degrees over a full year. Wind averages 8 mph but accelerates to 25 mph on exposed slopes and ridges, particularly in afternoon. Snow depth retreats rapidly in late spring and early summer; wet-slab avalanche risk peaks during thaw cycles. By midsummer, the peak transitions to rock scramble and exposed ridge travel. Crowding remains light year-round (30-day average 3.0 on the NoGo scale), a function of the peak's isolation and technical approach.
East Quarter Dome suits experienced mountaineers, winter climbers, and scramblers confident on fourth-class rock and snow-mixed terrain. Summer ascents require early starts (before 8 a.m.) to avoid afternoon wind and thunderstorms. Winter and spring parties must assess snowpack, carry avalanche rescue gear, and recognize corniced ridges and wind-slab hazards. Parking at the valley floor fills on warm weekends; Tioga Road access avoids that bottleneck but demands clear conditions on the pass. Rockfall is constant in warm months; helmets are mandatory.
The peak pairs with nearby Cathedral Peak and Tenaya Lake for a high-Sierra day or overnight loop. Visitors comparing difficulty and exposure often choose Half Dome's cable route (lower technical grade, higher crowding) or the Matterhorn Peak traverse (similar elevation, steeper snow gullies). The Yosemite corridor offers glacier-fed streams and alpine meadows in summer; winter access is restricted to the few stable routes on the eastern escarpment.