1.4 mi from the trailheadPumice Flat Group Camp
Campground · California

14.7 mi out & back · 3,499 ft gain · 9,562 ft high point · Very hard
From Minaret Lake Trailhead via Postpile Ranger Station, the John Muir Trail, John Muir, Superior Lake, and Holcomb Lake (6.2 mi)
In Devils Postpile National Monument · California · U.S. Forest Service
Ashley Lake follows the John Muir Trail from Minaret Lake Trailhead for 14.7 miles out and back in Devils Postpile National Monument.
3,499 ft of gain round trip.
The closest places to sleep, measured from the trailhead.
Ranked the same way, within twenty-five miles.
What the trail reaches, measured from the start.
The hike from its start, the approach dashed. Drag with two fingers, or hold a key to zoom.
Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Photos: Wikimedia Commons contributors, licensed as shown on each photo. Download the trail and feature data.
Campground · California
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Today: Sunny · wind 0 to 5 mph SW