4.7
(140)
2,397
hikers
198
hikes
Hiking in Ansel Adams Wilderness explores a vast area within California's Sierra Nevada, characterized by its glaciated terrain. The region features granite peaks, deep canyons, and numerous alpine lakes, with elevations ranging from approximately 3,500 feet to over 13,000 feet. This diverse landscape includes meadows and high-altitude rock formations, notably the prominent Ritter Range.
Last updated: May 12, 2026
4.3
(4)
33
hikers
2.95km
00:53
100m
90m
The McCleod Lake Trail offers an easy hike through the scenic Inyo National Forest, leading you to the pristine waters of McLeod Lake. This route covers 1.8 miles (2.9 km)…
27
hikers
19.6km
06:12
1,080m
420m
Embark on a challenging hike along the Shadow Creek and John Muir Trail to Garnet Lake, a demanding route that covers 12.2 miles (19.6 km). You will gain 3532 feet…

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20
hikers
11.9km
04:15
970m
180m
Embark on a difficult hiking adventure to Thousand Island Lake via Rush Creek Trail, covering 7.4 miles (11.9 km) with a significant 3180 feet (969 metres) of elevation gain. This…
16
hikers
4.25km
01:10
40m
100m
Embark on an easy hike along the Rainbow Falls via Devils Postpile Trail, a route that guides you through a serene pine forest beside the Middle Fork San Joaquin River.…
16
hikers
13.2km
04:46
690m
110m
Embark on the Shadow Creek Trail, a difficult 8.2-mile (13.2 km) hike through the Ansel Adams Wilderness. You will experience diverse alpine singletrack, gaining 2251 feet (686 metres) in elevation…
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Popular around Ansel Adams Wilderness
John Muir Trail – Along the legendary trail through the magical Sierra Nevada
The Sierra High Route — Solitude in California's alpine country
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MTB Trails in Ansel Adams Wilderness
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Road Cycling Routes in Ansel Adams Wilderness

Gravel biking in Ansel Adams Wilderness
Devils Postpile National Monument is a United States national monument located near Mammoth Mountain in eastern California. The monument protects Devils Postpile, an unusual rock formation of columnar basalt, "all tightly and perfectly fitted together like a vast mosaic."
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A crystal-clear lake that is surrounded by forest, with the Crystal Crag in the background. It is easily accessible by a short hike, and there is a trail that circumferences it, taking you to the peaceful forest views around the lake.
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Olaine Lake is a beautiful alpine lake. It is surrounded by woods and mountains. The path from the nearest parking lot is not too challenging, so it is definitely worth the effort for the great scenery.
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Thousand Island Lake is one of the most beautiful lakes in the Sierra Nevada. It's name comes from the shimmering stone islands that make up it's unique and a true postcard motif. On its eastern shore, the Pacific Crest and John Muir Trail converge again.
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The Devil's Postpile is a large cliff made of volcanic basalt columns. It is a very popular site, so there is a good possibility there will be others enjoying the site.
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Rainbow Falls is a 101-foot waterfall, which is the largest falls on the San Joaquin River. The falls are located a short distance off the Pacific Crest Trail.
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One of the most easily accessible lakes and one of the most beautiful in Mammoth Lakes.
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One of the most easily accessible and beautiful lakes in Mammoth Lakes.
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The prime hiking season is typically from June through October. July is fantastic for wildflower blooms in the alpine meadows, while September often provides clearer weather, fewer crowds, and beautiful autumn colors, especially in areas with aspen groves. Be aware that snow can linger at high elevations well into early summer.
For day hiking, you generally do not need a permit. However, for any overnight trips, a wilderness permit is mandatory. These are subject to a strict trailhead quota system from May through October to protect the fragile environment. It's crucial to plan and book these well in advance, especially for popular trailheads.
Yes, dogs are generally permitted on trails within the Ansel Adams Wilderness, but they must be under voice control at all times. In some specific areas, particularly within the mandatory shuttle bus zone of the Reds Meadow Valley, dogs may be required to be on a leash. Always be prepared to pack out all waste.
Most trailheads on the eastern side are accessed from the Mammoth Lakes and June Lake areas. Popular starting points like Agnew Meadows and Devils Postpile are located in the Reds Meadow Valley. During the busy summer season, a mandatory shuttle bus service operates in this valley, and private vehicle access is restricted during certain hours.
The terrain is classic high Sierra: expect rocky, uneven trails and significant elevation changes. The wilderness ranges from about 3,500 feet to over 13,000 feet, so altitude can be a factor. Trails are generally well-defined but can be rugged. Weather can change rapidly, so always carry layers, sun protection, and plenty of water.
The Ansel Adams Wilderness is a premier backpacking destination with many loop options. A classic multi-day trip is the Rush Creek to Agnew Meadows loop, which can include stunning lakes like Thousand Island Lake and Garnet Lake. Another popular option is starting from Agnew Meadows to explore the Ritter Range, creating a loop via the High Trail and River Trail.
The wilderness is home to a variety of wildlife. You might encounter marmots, pikas, and mule deer. Black bears are also present, so it's essential to store food properly using bear-resistant canisters, which are required for overnight stays in most of the wilderness. Birdwatchers can look for Clark's nutcrackers and mountain chickadees.
The region is highly regarded by the komoot community, with an average rating of 4.7 stars. Hikers frequently praise the spectacular high-alpine scenery, the abundance of pristine lakes, and the dramatic granite peaks of the Ritter Range and the Minarets.
There are over 150 different routes to explore, covering approximately 350 miles of trails. These range from short, accessible day hikes to challenging, multi-day backpacking expeditions through the High Sierra backcountry.
Yes, fishing is a popular activity in the many lakes and streams of the Ansel Adams Wilderness. The waters hold various species of trout, including golden, rainbow, and brook trout. A valid California state fishing license is required for anyone 16 years of age or older.
For a strenuous but rewarding day out, consider the hike to Iceberg Lake — Mammoth Lakes. This 15-mile (24 km) round trip takes you past several other beautiful lakes before reaching the starkly beautiful Iceberg Lake, which sits right below the jagged Minarets.
While both offer stunning Sierra Nevada landscapes, the Ansel Adams Wilderness generally provides a more remote and less crowded experience than the main valleys of Yosemite National Park. It is renowned for its vast, lake-dotted basins and the dramatic, jagged peaks of the Ritter Range, offering a true wilderness feel.


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