OverviewMammoth Crest and 1.5 miles north of Duck Pass in the Mammoth Lakes area of the Eastern Sierra. It can be seen from Hwy. 395. The southern peak is slightly higher. From the looks of it there is nothing resembling a pyramid about this peak but that is what it is known as locally. This is a class 1-2 day hike that can be a ridge ramble from Lake Mary or a straight up scramble from the trail to Duck Pass.
The ridge starts out composed of easy compact red metamorphic slate and gradually ascends into granite talus chunks near the summit.
The large notch offers an extreme ski run called "Para-chute" on the east face that is featured in John Moyniers book Back Country Skiing California's High Sierra.
The views of the Mammoth Crest, the Mammoth Lakes area, the Ritter Range and Mammoth Mountain are outstanding.
Northwest ridge: Class 1-2. From the trailhead hike northeast .8 miles up to the crest of the red ridge. Follow the ridge southeast as it ascends to Pyramid Peak at 1.7 miles.
Southwest slope: Class 2. Take the Duck Pass Trail approximately 1.7 miles to the south end of Skelton Lake. Break trail, crossing Mammoth Creek and ascend the southwest slope of Pyramid Peak to the south summit on the right.
"Para-chute": This is the extreme ski/snowboard run from the east side of the notch. A description of the run can be found in John Moyniers book noted above. It normally requires an 8 foot rappel from the notch depending on the snow level that year.
There are numerous campgrounds around the Mammoth Lakes: There are campgrounds on the east side of Lake George at 9,000', the east side of Lake Mamie at 9,000'and the west side of Twin Lakes at 8,600'.
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