Arapaho and Roosevelt National Forests · Colorado · Trail 909

South Saint Vrain

South Saint Vrain Trail is a 6 miles trail in Arapaho and Roosevelt National Forests, Colorado. The Forest Service rates it trail class 3, developed. It is open to hiking, horse and pack stock and mountain biking. It enters Indian Peaks Wilderness.

Trail conditions, closures and hazards are not tracked here. The Arapaho and Roosevelt National Forests official page carries current alerts and closure orders.

Map

One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.

One end40.1055, -105.4880 · Directions ↗
Other end40.0819, -105.5789 · Directions ↗

The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 4 segments.

The trail

Length6 miles
Trail class3, developed
Typeland trail
Surfacenative material
Typical grade12-20 percent
Typical tread width18-24 inches
Motor vehiclesClosed to all motorized use year-round
AccessibilityNot evaluated
Trail numbers909
ForestArapaho and Roosevelt National Forests (unit 0210)
StatesColorado
Detail publishedmanagement level, with uses

Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.

Allowed uses

HikingAllowed year-round
Horse and pack stockAllowed 06/01 to 10/31 (month/day)
Mountain bikingAllowed year-round

A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.

Wilderness

Inside a designated wilderness, bicycles and motor vehicles are prohibited by law regardless of the trail record, and permits or group limits may apply.

Trailheads

No season published · listed none
Horses are allowed from this trailhead west to the Sourdough Trail only; parking is limited. Motorized vehicles are prohibited. Practice Leave No Trace principles.
0 mi
No season published · listed none · <p>Due to its high elevation, the Brainard area is not generally snow-free until July. The seasonally-open Brainard Lake Road is typically open in late June and closes mid-October.</p>
Prohibited: Pack animals (horses/llamas); recreational shooting (except for legal hunting) and being on trails posted as closed. Brainard Lake Recreation Area Summer Season (May 1 - Nov 14): Dogs must be on a hand-held leash at all times;&nbsp;when open, developed camping is only
0.1 mi
No season published · listed none
Prohibited: Pack animals (horses/llamas); recreational shooting (except for legal hunting) and being on trails posted as closed. Brainard Lake Recreation Area Summer Season (May 1 - Nov 14): Dogs must be on a hand-held leash at all times;&nbsp;when open, developed camping is only
0.2 mi

Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.

Camping nearby

Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.

Explore

Reference

Questions people ask

How long is the South Saint Vrain Trail?

6 miles, the sum of the 4 segments the Forest Service records under this name in Arapaho and Roosevelt National Forests.

Source: Forest Service trail layer

What is allowed on the South Saint Vrain Trail?

hiking, horse and pack stock and mountain biking. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.

Source: Forest Service trail layer

Where does the South Saint Vrain Trail start?

The line begins at 40.1055, -105.4880 and ends at 40.0819, -105.5789. The nearest recorded trailhead is South Saint Vrain Trailhead, 0 miles from the line. The record does not say which end is the usual start.

Source: Forest Service trail layer

Is the South Saint Vrain Trail in a wilderness area?

Yes. It enters Indian Peaks Wilderness. Wilderness rules ban bicycles and motor vehicles and often limit group size.

Source: Indian Peaks Wilderness Wilderness

Where can I camp near the South Saint Vrain Trail?

Pawnee Campground (0.5 mi), Peaceful Valley (2 mi) and Camp Dick (2.3 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.

Source: Campsite Atlas

How developed is the South Saint Vrain Trail?

Trail class 3, which the Forest Service describes as developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.

Source: Forest Service trail layer

How steep and how wide is the South Saint Vrain Trail?

The typical grade is 12-20 percent. The typical tread is 18-24 inches wide.

Source: Forest Service trail layer

Who manages the South Saint Vrain Trail?

Arapaho and Roosevelt National Forests, Forest Service unit 0210. The trail is in Colorado.

Source: Arapaho and Roosevelt National Forests official page

Source

This page is built from 4 segments named SOUTH SAINT VRAIN in the Forest Service TrailNFS_Publish layer, administrative unit 0210. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.