Highlight • Mountain Pass
Hiking
5.0
(3)
Running
5.0
(1)
This Highlight is in a protected area
Please check local regulations for:
John Muir Wilderness
Tips
June 22, 2025
Running

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Nearby routes
Best routes near Duck Pass

45
hikers
20.6km
05:17
870m
880m
If you are seeking a challenging high-country adventure, the Mammoth Crest and Duck Pass Loop offers a memorable hike through diverse terrain. This difficult 12.8-mile (20.6 km) route takes you from forested climbs to exposed ridgelines, gaining a substantial 2862 feet (872 metres) in elevation. You can expect to complete this loop in approximately 5 hours and 17 minutes, immersing yourself in the rugged beauty of the John Muir Wilderness.
Before you head out, remember that this route can be tackled as a demanding day hike or an overnight backpacking trip. If you plan to stay overnight, wilderness permits are required for the Mammoth Crest and Duck Pass Loop, so make sure to secure those in advance. While trailhead parking is generally accessible, it is always wise to check local conditions and regulations before your visit to ensure a smooth start to your journey.
As you ascend, you will be rewarded with sweeping panoramic views from the Mammoth Crest, showcasing the stunning Mammoth Lakes basin, including Lake George and Lake Mary, and the prominent Mammoth Mountain. Look out for iconic peaks like Banner Peak and Mount Ritter, along with several pristine alpine lakes such as Barney Lake and Skelton Lake, making this loop a truly spectacular experience for seasoned hikers.

5.0
(6)
118
hikers
14.7km
04:34
560m
560m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 3,280 m
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Sunday 23 August
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6°C
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