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LakeQuality

Updated July 2026

Chasm Falls

Larimer County, Colorado — about 25 ft, shorter than most.

Chasm Falls is a 25-foot plunge on the Fall River in Rocky Mountain National Park, reached by a short walk down stone steps from a pullout on the seasonal, one-way Old Fall River Road. The road is open to vehicles only from roughly July to October.

Height
25 ft
Type
Plunge
Access
Short Hike
Trail
0.2 mi out-and-back
Elevation gain
Not documented
Best season
Summer (Jul-Oct, when Old Fall River Road is open)
Land manager
Rocky Mountain National Park (NPS)
Watercourse
Fall River

Before you go

Waterfalls are hazardous by nature — wet rock, cold water, and unstable edges — and flow varies enormously with season and recent rain. Trail figures here describe the route as documented, not conditions today. Check Rocky Mountain National Park (NPS) for closures and current conditions, and confirm land status before setting out.

Graded lakes within 25 miles

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Frequently Asked Questions

Chasm Falls drops about 25 feet. That makes it the 588th-tallest documented waterfall in this inventory, taller than roughly 16% of the falls listed here. Height comes from published land-manager and survey records, not from our own measurement.

The Chasm Falls via Old Fall River Road reaches it about 0.2 miles (out-and-back), rated easy. The nearest town is Estes Park. That describes the route as documented, not conditions on the day — check with Rocky Mountain National Park (NPS) for closures and current conditions.

Summer (Jul-Oct, when Old Fall River Road is open). Waterfall flow swings enormously with snowmelt and recent rain, so a fall that roars in spring can be a trickle by late summer.

More Colorado waterfalls

Sources

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