Chasm Lake Trail

Chasm Lake Trail is a roughly 8.4-mile out-and-back foot trail in Rocky Mountain National Park, Colorado. Difficulty: strenuous, from Trailbound's popular-hike list. That is the full hike: the mapped trail line covers only 1.72 mi of it, so don't plan from the map line alone.

Chasm Lake Trail, Rocky Mountain National Park
Photo: Khoshhat · CC BY-SA 4.0 · Wikimedia Commons

Plan this hike

Open Chasm Lake Trail on Trailbound's interactive map to see the full route, the elevation profile, today's forecast and any park alerts for Rocky Mountain. Rocky Mountain has permits or reservations for some areas: see the Rocky Mountain page for what's needed.

More trails in Rocky Mountain

All 233 trails in Rocky Mountain National Park