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Miller Rock OHV Trail route map
Difficulty: DifficultOut and Back

Miller Rock OHV Trail

Lyons, Colorado

7.1 mi

Distance

1,867 ft

Elev. Gain

3h 13m

Est. Time

Out & Back

Route Type

Difficult

Difficulty

About This Trail

Miller Rock OHV Trail is an out-and-back trail in Roosevelt National Forest, managed by the United States Forest Service, in Boulder County, Colorado. It is 7.1 miles long and gains 1,867 feet. The nearest town is Bark Ranch, Colorado, about 2 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.

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Elevation Profile

Min:2,352 ft
Max:2,637 ft
Gain:569 ft
Loss:569 ft
Elevation profileA line rising and falling between 2,352 ft and 2,637 ft across 7.1 mi along the route, drawn from start to end.2,352 ft2,447 ft2,542 ft2,637 ft0.0 mi1.8 mi3.6 mi5.3 mi7.1 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,352 ft
High point1.5 mi2,637 ft
End7.1 mi2,352 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:
Bark Ranch, CO · about 2 mi away
County:
Boulder 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?

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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.

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