Skip to main content
North Fork Big Thompson River Trail route map
Difficulty: DifficultOut and Back

North Fork Big Thompson River Trail

Glen Haven, Colorado

10.3 mi

Distance

2,139 ft

Elev. Gain

4h 22m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

North Fork Big Thompson River Trail is an out-and-back trail in Roosevelt National Forest, managed by the United States Forest Service, in Larimer County, Colorado. It is 10 miles long and gains 2,139 feet. The nearest town is Estes Park, Colorado, about 7 miles away in a straight line.

From the trail data on this page. For conditions and closures, see official sources.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:2,344 ft
Max:2,832 ft
Gain:652 ft
Loss:652 ft
Elevation profileA line rising and falling between 2,344 ft and 2,832 ft across 10.2 mi along the route, drawn from start to end.2,344 ft2,507 ft2,669 ft2,832 ft0.0 mi2.6 mi5.1 mi7.7 mi10.2 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,383 ft
High point5.0 mi2,832 ft
End10.2 mi2,383 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

Nearest town:
Estes Park, CO · about 7 mi away
County:
Larimer County, CO
Jurisdiction:
Roosevelt National Forest · United States Forest Service

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

Reviews

No reviews yet

Be the first to share your experience and help others plan their visit.

Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Spot an error in our data on North Fork Big Thompson River Trail?