Hike · Longs Peak TH

Chasm Lake — Below Longs Diamond

Distance

9.0 mi

Vertical

2,402 ft

Summit

11,801 ft

Difficulty

Very strenuous

Chasm Lake sits at 11,800 feet in a glacier-carved cirque directly beneath the east face of Longs Peak, the northernmost fourteener in the Rocky Mountains and the highest summit in Rocky Mountain National Park. The cirque wall above the lake is one of the great pieces of…

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Chasm Lake's emerald water sits at the foot of Longs Peak's east face, the granite walls of the Diamond rising directly above the shoreline. — KimonBerlin · CC BY-SA 2.0

A late-summer view across Chasm Lake to the snowfields below the Diamond on Longs Peak. — KimonBerlin · CC BY-SA 2.0

Talus and meltwater streams fill the cirque approach to Chasm Lake, with the Diamond catching morning light overhead. — KimonBerlin · CC BY-SA 2.0

The trail climbs into the Chasm Lake basin under the broad south shoulder of Longs Peak. — KimonBerlin · CC BY-SA 2.0

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