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Hall Ranch, Bitterbrush and Nelson Loop Trail route map
Difficulty: DifficultLoop
Colorado

Hall Ranch, Bitterbrush and Nelson Loop Trail

Lyons, Colorado

9.5 mi

Distance

1,506 ft

Elev. Gain

3h 55m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

Hall Ranch, Bitterbrush and Nelson Loop Trail is a loop trail in Boulder County, Colorado. It is 9.5 miles long and gains 1,506 feet. The nearest town is Lyons, Colorado, about 1 mile away in a straight line.

From the trail data on this page.

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:1,667 ft
Max:2,041 ft
Gain:584 ft
Loss:584 ft
Elevation profileA line rising and falling between 1,667 ft and 2,041 ft across 9.5 mi along the route, drawn from start to end.1,667 ft1,792 ft1,916 ft2,041 ft0.0 mi2.4 mi4.8 mi7.2 mi9.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,667 ft
High point4.6 mi2,041 ft
End9.5 mi1,667 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Lyons, CO · in or next to town
County:
Boulder County, CO

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.

Nearby Trails

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Picture Rock Trail

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South St. Vrain Bike Trail

South St. Vrain Bike Trail

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Laverne Johnson Park Auxiliary Trail

Laverne Johnson Park Auxiliary Trail

0.1 mi
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Stay nearby

Campgrounds near this trail

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