Glen Alpine Trailhead
Trailhead · Lake Tahoe corridor
Glen Alpine Trailhead sits at 6,621 feet in the Lake Tahoe corridor's western Sierra. This high-elevation trailhead accesses granite cirques and alpine lakes sheltered from the open lake's afternoon wind.
Wind averages 11 mph but funnels strongly by afternoon as thermals draw air up from the lake basin. Morning calm is reliable; skip after 2 p.m. if you're sensitive to gusts. Temperature swings 15 to 44 degrees across the year, with sustained cold in winter and spring.
Over the last 30 days, Glen Alpine averaged a NoGo Score of 18 with winds at 11 mph and temperatures near 29 degrees. The 30-day low of 5 and high of 47 show volatile spring conditions typical of this elevation. The week ahead will track afternoon wind closely; mornings remain the stable window for planning.
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About Glen Alpine Trailhead
Glen Alpine Trailhead is the primary foot access to the Gilmore Lake and Susie Lake basin in the high Sierra west of Lake Tahoe. Located at 6,621 feet on the western slope of the range, it sits roughly 10 miles south of Highway 50 via Forest Road 12N14 and the Glen Alpine Springs road. The trailhead parking is limited and fills on weekends; arrive by 8 a.m. or plan a weekday visit. Gateway towns are South Lake Tahoe to the east and Kyburz to the northwest on Highway 50.
Spring and early summer at Glen Alpine bring lingering snowpack above 7,500 feet and afternoon wind averaging 11 mph, with gusts reaching 35 mph. Winter temperatures drop to 15 degrees; summer maxima reach 44 degrees. The 30-day average crowding is 15 (relative to other Tahoe-corridor spots), making this a moderate-traffic zone. Snowmelt peaks in late May and early June, raising creek crossing difficulty; by late September, water levels drop and the basin becomes more accessible. Wind is strongest in afternoon as heated air rises from the lake; mornings are calmer.
Glen Alpine suits backcountry hikers, peak baggers, and alpine lake campers who tolerate thin air and scrambling over talus. Day hikers planning for Gilmore Lake should start before 9 a.m. and plan for wind in descent. Experienced parties tackle the higher cirques (Aloha Lake, Ropi Lake) as multi-day pushes. Parking scarcity means weekday trips reduce frustration; avoid the first full weekend of any major holiday. Bring layers; temperature swings of 20+ degrees in a single day are common.
Nearby alternatives include Desolation Wilderness trailheads to the north (Echo Lake, Wrights Lake) and the Tahoe Rim Trail entries at higher elevations to the east. Glen Alpine's advantage is its west-facing exposure, which means longer morning shadow and later sunrise wind compared to eastside entries. The basin itself is less crowded than Emerald Bay or Cascade Lake routes, making it a logical choice when Highway 50 conditions permit access and afternoon wind tolerances are low.