Swinging Bridge Trailhead
Trailhead · Yosemite corridor
Swinging Bridge Trailhead sits at 4272 feet in Yosemite's Sierra Nevada corridor, offering access to a moderate alpine crossing. Sheltered by the surrounding forest and ridgeline, it typically stays calmer than exposed high-country passes.
Wind here averages 6 mph over the rolling 30-day period but can gust to 21 mph in afternoon hours. Morning conditions are notably steadier than afternoon. The trail sees light crowds relative to valley destinations, and cold temperatures persist through spring.
Over the last 30 days, the average NoGo Score has held at 16.0, with temperatures averaging 42 degrees Fahrenheit and wind at 6 mph. The week ahead will reflect typical spring variability for this elevation; watch the wind forecast closely, as gusts can spike to 21 mph during afternoon hours and push conditions marginal.
30 days back / 7 days forward
Today's score by factor
About Swinging Bridge Trailhead
Swinging Bridge Trailhead sits in the Yosemite corridor at 4272 feet, roughly 10 miles northeast of Yosemite Valley. The trailhead accesses a moderate alpine route that crosses the Sierra ridgeline via a historic swinging footbridge. Primary access is via California Highway 120 from the west (El Portal gateway) or Highway 395 from the east (Mammoth Lakes approach). Most visitors reach it as a day trip from Yosemite Valley or from the Mono Basin on the east side. Parking is informal but rarely full except during peak holiday weekends.
Conditions at Swinging Bridge Trailhead reflect its mid-Sierra elevation and forested aspect. Average temperature over the rolling 30-day period is 42 degrees Fahrenheit, with the rolling 365-day range spanning 29 to 59 degrees. Wind averages 6 mph but peaks at 21 mph, typically in afternoon hours when thermal heating creates upslope flow through the drainage. Spring (late April through May) brings the most volatile weather and highest wind exposure. Summer (mid-June through August) offers the most stable conditions and warmest temperatures. Fall (late September through October) sees sharp cooling and occasional early snow. Winter access depends entirely on Highway 120 closure status and avalanche risk on higher passes.
Swinging Bridge Trailhead suits hikers seeking a moderate alpine crossing with genuine exposure but lower crowding than Yosemite Valley destinations. The rolling 30-day average crowding score of 13.0 makes it substantially quieter than Half Dome or Mist Trail access points. Experienced visitors plan morning departures to avoid afternoon wind, which can create hazardous conditions on exposed ridgeline sections. Snowpack typically lingers into late May, making the route impassable or technical until early to mid-June. Afternoon thunderstorms are common in July and August, making a pre-noon turnaround essential. Smoke from Sierra fires can degrade air quality in late summer and fall, particularly when Mono Basin fires are active.
Nearby alternatives include Cathedral Lakes Trailhead (slightly lower elevation, more sheltered approach) and Mono Pass (higher elevation, more exposed). Visitors pairing a Swinging Bridge crossing with a Mono Basin day trip should start early and plan to descend the east side before afternoon wind builds. The route complements Tioga Pass access for through-hikers traversing the Sierra crest. Spring and fall are the prime windows for this crossing; summer crowds are lighter here than in the Valley, but afternoon wind and thunderstorm risk are highest.