Chasm Lake

The Chasm Lake day hike is a popular hike to one of the area’s highest and most dramatic lakes.

Nestled at the foot of Longs Peak’s famous east face, Chasm Lake is a favorite destination for many hikers.

The route climbs steadily from the Longs Peak Ranger Station through lodgepole, spruce and fir. Just beyond a Park Service patrol cabin, the trail disappears in the rock slabs, but routes to the lake are marked with cairns. Most of this trail is above timberline so special attention must be given to weather conditions.

  • Highlights: peak views, thick forest, alpine lake
  • Near: Denver, CO
  • Distance: 8 miles round trip
  • Elevation Gain/Loss: 2400 ft
  • Hike Time: 4 hours
  • Difficulty: 7/10
  • Trail Condition: well maintained trail
  • Best Season: Summer, Fall
  • GPX File Download: >>CLICK HERE<<
  • Dog Friendly: No
  • Kid Friendly: Yes


Getting to Trail head:

From Denver International Airport – Pena Bl. to I-70 (west) to  I-270 (west) to I-25 (north) to CO-66 (west) to CO-7 (west) to Longs Peak Rd. (left) to trail head.

Google Map Link


Trail Route




Trail Profile




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