South Fork of the Tuolumne Trailhead
Trailhead · Yosemite corridor
South Fork of the Tuolumne Trailhead sits at 6857 feet in the Yosemite corridor of California's Sierra Nevada. A modest trailhead with low base popularity, it offers quieter access to high country than busier valley gateways.
Wind funnels from the west through afternoon hours, averaging 8 mph over the last month with gusts to 21 mph. Morning calm prevails; afternoons grow blustery. Temperature hovers near 38 degrees on average, with snow likely at this elevation in winter and early spring.
Over the last 30 days, the NoGo Score averaged 20.0 with a low of 7.0 and high of 52.0; wind averaged 8 mph and crowding stayed light at 21.0 average. The week ahead will show whether early-season conditions persist or shift as Sierra snowpack transitions and afternoon thermals strengthen.
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About South Fork of the Tuolumne Trailhead
South Fork of the Tuolumne Trailhead sits at 6857 feet in the Yosemite corridor, east of Highway 120 near Tioga Pass. Access runs via Highway 120 from Yosemite Valley or from the north. The trailhead serves as the jumping-off point for the South Fork drainage, a high-Sierra approach with low baseline popularity compared to valley and lake destinations. Parking is tight; arrive early on weekends. The site drains into the Tuolumne River system and sits well within the rain and snow shadow east of the Sierra crest.
Conditions here are defined by afternoon wind driven across exposed ridges and by the elevation's temperature swing. Over the last 30 days, average temperature sat at 38 degrees Fahrenheit with wind averaging 8 mph but gusting to 21 mph. The NoGo Score averaged 20.0, indicating periods of good access mixed with rougher days; the rolling 30-day minimum of 7.0 marks rare calm windows when conditions are nearly perfect. Crowding averaged 21.0, well below valley zones. Winter and early spring bring snowpack; late summer and early fall offer the most stable weather windows. Midday heating drives wind; mornings are noticeably calmer.
This trailhead suits hikers and backpackers comfortable with high-country navigation and self-reliance. The user base skews toward experienced Sierra trekkers rather than day-hikers. Wind is the dominant planning factor; skip afternoon departures if you are sensitive to exposure. Parking fills fast on Friday and Saturday mornings; weekday access is significantly easier. Snow patches persist into late spring; verify conditions with local ranger stations before committing to a trip. Cell coverage is absent or patchy.
Nearby alternatives include Cathedral Lakes Trailhead and Glen Aulin High Sierra Camp, both accessed via Highway 120 but with different drainage and exposure profiles. Yosemite Valley proper is warmer and more crowded but offers better infrastructure. The South Fork approach is best paired with a multi-day backpacking plan rather than a quick day hike.