4.7
(7)
67
riders
2
rides
Gravel biking in Saint Vrain State Park offers diverse landscapes with well-maintained multi-use trails. The park features 11 distinct ponds, wetlands, and the St. Vrain Creek, providing scenic backdrops for rides. Mature cottonwood and willow trees offer shade, and views of Longs Peak are visible from various points. The terrain includes family-friendly gravel paths suitable for different fitness levels.
Last updated: May 16, 2026
4.0
(5)
6
riders
90.7km
04:48
450m
450m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
21
riders
28.4km
01:29
150m
150m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
11
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5
riders
34.2km
01:52
140m
140m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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This is the intersection of the Saint Vrain Greenway and Left Hand Creek Trail Trailhead. The Left Hand Creek Trail will take you all the way into Boulder, so it is a great way to go from Union Reservoir into the city.
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Golden Ponds are three beautiful ponds along the Lykins Gulch Greenway. There is a boardwalk that takes you out towards the center of the main pond, so that you can take in the surrounding scenery.
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The trail around the ponds is a paved bike path with a flat packed gravel side. The ponds are beautiful, especially at dawn and sunset, and there is a parking lot with restrooms on the northeast side.
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The Open Sky Loop is a popular trail in the Lagerman Agricultural Preserve. It provides foot and cycle traffic a nice way to circumnavigate the preserve to enjoy the wildlife and landscape views.
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Could love more on the trails with soft and dry graves, some portion has hard rocks.
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Saint Vrain State Park offers diverse landscapes with well-maintained multi-use trails. You'll find family-friendly gravel paths suitable for various fitness levels, often featuring views of Longs Peak and passing by numerous ponds and riparian areas. The park has undergone significant restoration to become a thriving wetland, supporting diverse plant and animal life.
Yes, Saint Vrain State Park has several easy routes. For instance, the Left Hand Creek Trail β Left Hand Creek Park loop from 119th St Trailhead is an easy 17.9-mile path that follows the Left Hand Creek, offering a flat and accessible ride. Another great option is the Somerset Trail β Left Hand Creek Park loop from Longmont Park-n-Ride, a 17.6-mile trail leading through scenic riparian areas.
The park is known for its natural beauty, including 228 acres of water spread across 11 distinct ponds like Bald Eagle Pond, Blue Heron Reservoir, and Pelican Pond. You'll also ride through restored wetland and riparian areas with mature cottonwood and willow trees. Stunning views of Longs Peak are visible from various points along the trails, adding to the scenic backdrop.
Saint Vrain State Park is generally dog-friendly, but it's always best to check specific trail regulations within the park. Dogs are typically allowed on trails if kept on a leash. Please ensure you clean up after your pet to help maintain the park's natural environment.
Yes, for experienced riders seeking a challenge, the Twin Lakes β South Boulder Creek Trail loop from County Rd Trailhead is a difficult 56.4-mile route with significant elevation gain. Another challenging option is the Izaak Walton Park β Golden Ponds loop from Longmont, which covers 39.5 miles and also features considerable elevation.
Saint Vrain State Park is suitable for outdoor activities year-round. However, spring and fall often offer the most pleasant temperatures for gravel biking. During these seasons, you can avoid the peak heat of summer and the colder conditions of winter, though the park's diverse wildlife, including migrating birds, can be a highlight in any season.
Many of the gravel biking routes in and around Saint Vrain State Park are designed as loops. For example, the Left Hand Creek Trail β Left Hand Creek Park loop from 119th St Trailhead and the Somerset Trail β Left Hand Creek Park loop from Longmont Park-n-Ride are both popular loop options.
Saint Vrain State Park is a haven for wildlife. It's a popular birding destination, hosting the state's largest rookery of Great Blue Herons, and is home to migrating waterfowl, songbirds, raptors, and occasionally bald eagles, especially in winter. You might also spot mammals such as coyotes, rabbits, foxes, deer, and even moose.
Yes, Saint Vrain State Park offers well-maintained facilities, including parking areas. Specific trailheads like the County Rd Trailhead, 119th St Trailhead, and Longmont Park-n-Ride provide convenient access points for starting your gravel biking adventure.
More than 70 gravel bikers have used komoot to explore Saint Vrain State Park's varied terrain. Riders often praise the park's diverse landscapes, the well-maintained multi-use trails, and the scenic backdrops provided by the numerous ponds and views of Longs Peak. The network offers options for different ability levels, from easy family-friendly paths to more challenging long-distance routes.
As a Colorado State Park, Saint Vrain typically requires a valid Colorado State Parks pass for vehicle entry. You can purchase a daily pass or an annual pass. It's advisable to check the official Colorado Parks and Wildlife website for the most current information on fees and regulations before your visit.
Saint Vrain State Park is located near I-25 between Denver and Fort Collins, and close to Longmont. This means there are various dining options, including cafes and restaurants, available in the nearby towns. While there might not be cafes directly on the trails within the park, you'll find amenities a short drive away.

