4.5
(3286)
13,890
hikers
01:38
6.03km
80m
Hiking
Hike the easy 3.7-mile Ceran St. Vrain Trail in Roosevelt National Forest, following the South Saint Vrain Creek through a scenic forest.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
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Waypoints
Start point
Parking
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47 m
Highlight (Segment) • Trail
Tip by
6.03 km
End point
Parking
Way Types & Surfaces
Way Types
5.99 km
< 100 m
Surfaces
5.99 km
< 100 m
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Elevation
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Thursday 7 May
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15 %
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This route was planned by komoot.
The trail begins at a picturesque footbridge that crosses the St. Vrain River. Parking is available near the trailhead. It's advisable to arrive early, especially on weekends, as the area can become quite busy.
The initial section features soft woodland terrain and a gently undulating path that meanders along the banks of the South Saint Vrain Creek. You'll find a narrow, twisty singletrack through an enchanting pine forest interspersed with aspens. The trail occasionally climbs above the rushing waters, offering lovely views of the creek and gulch below from a ridge. It's often described as a 'rainforest-esque ecosystem' with towering timbers and gurgling waters.
Yes, the main section of the trail is considered easy to moderate, making it suitable for families and hikers of nearly all skill levels, including children. The initial two miles have minimal elevation gain. However, be aware that extending your hike to Miller Rock significantly increases the difficulty.
Yes, dogs are permitted on the trail. Please ensure they are kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors.
Spring and early summer are particularly beautiful, as the trail is known for its wildflowers. The 'rainforest-esque' environment makes it a pleasant hike during warmer months, but it can be busy on weekends. Fall offers stunning aspen colors.
The trail's serene forest environment and proximity to the creek provide a habitat for various wildlife. Moose have been known to be present in the area. In spring and early summer, you can also enjoy a display of wildflowers.
The main trail itself offers lovely views of the South Saint Vrain Creek and the gulch. A significant draw is the option to continue to Miller Rock, which rewards hikers with spectacular 360-degree views of the surrounding Boulder area, Eldorado Canyon, the Indian Peaks, and even Rocky Mountain National Park.
The Ceran St. Vrain Trail is located within the Roosevelt National Forest. Generally, there are no specific permits or entrance fees required for day hiking on this trail. However, it's always a good idea to check the official U.S. Forest Service website for any current regulations or alerts before your visit, especially if planning dispersed camping.
Yes, dispersed camping is a key feature of the area. Sites are available along the river, but you must camp at least 200 feet from the trailhead, the trail itself, and the creek to ensure privacy and protect the natural environment.
Yes, the route primarily follows the Ceran Saint Vrain Trail. For those looking to extend their journey, it can lead to the Miller Rock trail. Other less prominent paths in the vicinity include Riverside Lane and Erwin Drive.
The main Ceran Saint Vrain Trail is generally easy to moderate, following the creek through a forest. The extension to Miller Rock, however, transitions to a rough, steep, and sandy four-wheel drive road (Forest Service Road 252) with significant elevation gain and can involve 'class three scrambling' near the top, making it considerably more challenging.