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St. Vrain Greenway Trail route map
Difficulty: ExpertOut and Back

St. Vrain Greenway Trail

Longmont, Colorado

15.5 mi

Distance

1,240 ft

Elev. Gain

Out & Back

Route Type

Expert

Difficulty

About This Trail

St. Vrain Greenway Trail is an out-and-back trail in Weld County, Colorado. It is 16 miles long. It is in or next to Longmont, Colorado.

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:1,487 ft
Max:1,556 ft
Gain:378 ft
Loss:378 ft
Elevation profileA line rising and falling between 1,487 ft and 1,556 ft across 17.5 mi along the route, drawn from start to end.1,487 ft1,510 ft1,533 ft1,556 ft0.0 mi4.4 mi8.7 mi13.1 mi17.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,511 ft
High point8.7 mi1,556 ft
End17.5 mi1,511 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Longmont, CO · in or next to town
County:
Weld 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.

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