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Button Rock Dam via Longmont Dam Road route map
Difficulty: ModerateOut and Back
Colorado

Button Rock Dam via Longmont Dam Road

Lyons, Colorado

3.9 mi

Distance

997 ft

Elev. Gain

1h 32m

Est. Time

Out & Back

Route Type

Moderate

Difficulty

About This Trail

Button Rock Dam via Longmont Dam Road is an out-and-back trail in Boulder County, Colorado. It is 3.9 miles long and gains 997 feet. The nearest town is Lyons, Colorado, about 3 miles 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.

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Elevation Profile

Min:1,834 ft
Max:1,966 ft
Gain:304 ft
Loss:304 ft
Elevation profileA line rising and falling between 1,834 ft and 1,966 ft across 3.9 mi along the route, drawn from start to end.1,834 ft1,878 ft1,922 ft1,966 ft0.0 mi1.0 mi1.9 mi2.9 mi3.9 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,835 ft
High point1.9 mi1,966 ft
End3.9 mi1,835 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Lyons, CO · about 3 mi away
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

More trails near Button Rock Dam via Longmont Dam Road
Button Rock Dam via Sleepy Lion Trail

Button Rock Dam via Sleepy Lion Trail

5.4 mi
TrailDifficulty: Difficult

Old Sleepy Lion Trail

0.5 mi
TrailDifficulty: Easy

Button Rock Trail

2.0 mi
TrailDifficulty: Easy

Longmont Dam Road

0.5 mi
TrailDifficulty: Easy

Sleepy Lion Trail

0.1 mi
TrailDifficulty: Easy

Button Rock Dam Road

0.7 mi
TrailDifficulty: Easy

Stay nearby

Campgrounds near this trail

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