Convict Lake Loop Trailhead
Trailhead · Mammoth Lakes corridor
Convict Lake Loop Trailhead sits at 7605 feet in the Mammoth Lakes corridor of the Sierra Nevada. A high-elevation lake circuit with steady wind exposure and alpine views.
Wind accelerates off the lake by early afternoon, with gusts common by 2 pm. Morning stillness gives way to sustained afternoon flow funneling down from the ridgeline. Plan morning starts to catch calm water and lower wind speeds.
Over the last 30 days, the 30-day average wind at Convict Lake Loop has held at 13 mph, with gusts to 41 mph on harder days. Temperatures averaged 25 degrees Fahrenheit; expect afternoon warming but cold mornings through late April. The week ahead shows typical spring variability; early mornings remain your best window for stable conditions.
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About Convict Lake Loop Trailhead
Convict Lake Loop Trailhead is the main staging point for the circuit hike around Convict Lake, a 2-mile alpine lake in the Mammoth Lakes corridor east of the Sierra crest. The trailhead sits at 7605 feet on the lake's east shore, reached via Convict Lake Road off U.S. Route 395 about 5 miles south of Mammoth Lakes village. The loop is popular with hikers in late spring and summer; parking fills by mid-morning on weekends. The drive from Mammoth village is roughly 15 to 20 minutes; from the 395 junction near Tom's Place, allow 10 to 15 minutes.
Conditions at Convict Lake Loop are shaped by exposure to afternoon wind channeling from the peaks above. The 30-day average wind of 13 mph masks strong diurnal swings; mornings are often calm, afternoons routinely exceed 20 mph by 3 pm. Average temperature over the past month was 25 degrees Fahrenheit, typical for high-Sierra terrain in spring. The location experiences full sun exposure on the south side of the loop and partial shade on the north shore where whitebark pine stands remain. Crowding averages 17 percent across the 30-day window, but weekend traffic spikes sharply once the snow retreats from lower sections.
Convict Lake Loop suits hikers, trail runners, and photographers comfortable with sustained afternoon wind. Paddlers and packrafters use the lake when conditions calm; morning paddles are far more viable than afternoon ventures. Experienced visitors time their hikes for Tuesday to Thursday mornings to avoid weekend parking stress and to catch the calmest wind window. Snow lingers on high passes until late May; the lower loop circuit is typically passable by mid-April. Afternoon gustiness makes the exposed ridges on the northwest shore uncomfortable after 2 pm; strong hikers often summit Mount Morrison from this trailhead and plan a dawn start.
Nearby alternatives include Mammoth Lake Trail (lower elevation, less wind-exposed, busier), Reds Meadow Loop (similar elevation but southward in the corridor, different drainage), and the Mamie Lakes chain (higher, snowier, quieter). Tom's Place area on the 395 offers vehicle access to the Owens River drainage and lower-elevation alternatives when Convict Lake crowds peak. The Mammoth Lakes corridor as a whole sits 20 minutes to 1 hour from Reds Meadow, Devils Postpile, and the high country approaches to Ritter Range.