4.9
(6)
226
riders
11
rides
Gravel biking around Firestone, Colorado, traverses a landscape characterized by extensive open spaces, rolling hills, and green parks. The region offers views of the Rocky Mountains and includes serene lakes and ponds, notably within St. Vrain State Park. This area provides a network of multi-use trails and former railroad corridors, offering varied terrain for gravel cycling.
Last updated: June 28, 2026
41
riders
52.8km
03:14
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
39
riders
Hard gravel ride. Very good fitness required. 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.
17
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
8
riders
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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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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The Lagerman Agricultural Preserve and Reservoir is a small nature preserve that birders, boaters, picnickers, bikers, runners, and dog-walkers can all enjoy. You get great views of the foothills over farms and fields as you hike lightly-graded crushed gravel and dirt roads.
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Could love more on the trails with soft and dry graves, some portion has hard rocks.
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Boulder Valley Ranch Pond, nestled in a serene natural landscape outside Boulder, captivates with its tranquil waters and surrounding wilderness. A haven for diverse wildlife, it offers a peaceful retreat for nature enthusiasts.
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As you follow the trail the buildings part and you get a wonderful view of the Front Range over the rural landscape.
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Firestone offers a network of over 9 gravel bike trails, providing diverse options for cyclists. These routes range from easy loops to more challenging long-distance rides, traversing open spaces, rolling hills, and creek-side paths.
The gravel trails in Firestone feature a mix of open spaces, rolling hills, and paths along serene lakes and ponds. You'll encounter multi-use trails, former railroad corridors, and sections along greenways like the St. Vrain River, offering varied surfaces suitable for gravel biking.
Yes, Firestone has options suitable for families. Trails within St. Vrain State Park, for example, are relatively flat and easy to navigate, winding through natural environments. The Left Hand Creek Trail β Left Hand Creek Park loop from 119th St Trailhead is another easy option, covering 17.9 miles through open spaces.
Many of Firestone's open spaces and multi-use trails are dog-friendly, provided your dog is on a leash. Areas like Izaak Walton Park and the trails around Golden Ponds are popular spots where you might see others enjoying the outdoors with their pets. Always check local signage for specific regulations.
While gravel biking in Firestone, you can explore several natural attractions. The trails often pass by Golden Ponds, known for its scenic boardwalk, and St. Vrain State Park, a serene area with lakes and ponds. You might also encounter sections of the St. Vrain River Greenway, offering views of green meadows and opportunities for birdwatching.
For a more challenging ride with notable elevation gain, consider routes like the Lyons Redstone Museum loop from Bus 323, 324. This difficult 47.4-mile trail features an elevation gain of nearly 500 meters, offering extensive riding through the wider regional landscape.
Many trailheads and parks in and around Firestone offer dedicated parking. For example, routes like the Somerset Trail β Left Hand Creek Park loop and the Coot Lake Dock β Left Hand Creek Park loop start from the Longmont Park-n-Ride, which provides convenient access. Local parks such as Izaak Walton Park also typically have parking facilities.
The spring and fall months generally offer the most pleasant conditions for gravel biking in Firestone, with milder temperatures and beautiful scenery. Summer can be enjoyable, but it's advisable to ride earlier in the morning or later in the afternoon to avoid the midday heat. Always check local weather conditions before heading out.
Yes, there are several longer loop options for gravel bikers. The Izaak Walton Park β Golden Ponds loop from Longmont is a difficult 39.5-mile path that provides extensive riding and scenic views along the Lykins Gulch Greenway. Another significant loop is the Lyons Redstone Museum loop from Bus 323, 324, which spans 47.4 miles.
The gravel biking routes in Firestone are highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the diverse terrain, the scenic views of the Rocky Mountains, and the extensive network of trails that connect various parks and natural features, offering a true sense of open space.
Yes, beginners can find suitable gravel routes in Firestone. The Left Hand Creek Trail β Left Hand Creek Park loop from 119th St Trailhead is an easy 17.9-mile trail that leads through open spaces and along Left Hand Creek, making it a great option for those new to gravel biking.


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