4.6
(151)
3,437
riders
101
rides
Gravel biking in Boulder County offers diverse terrain, from challenging mountain routes to expansive open spaces and serene farmland vistas. The region is characterized by iconic sandstone formations like the Flatirons, deep canyons, and a network of gravel roads, paved sections, and bike paths. This varied landscape provides a comprehensive cycling experience, allowing riders to explore off-road views and cover significant distances.
Last updated: July 7, 2026
139
riders
68.3km
05:13
1,910m
1,910m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(6)
72
riders
49.7km
02:46
350m
350m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(2)
100
riders
60.0km
04:15
1,250m
1,250m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(7)
115
riders
66.3km
04:00
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(16)
50
riders
29.2km
01:35
170m
170m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Since the earlier post from October 2023, several new gravel trails have been headed up to and down from the mesa. Flowy routes that are fun.
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Warembourg Open Space is a peaceful spot along Coal Creek and the Coal Creek Regional Trail, shaped through conservation efforts by Boulder County, Louisville, and Lafayette. Established in 1999 and 2003, it offers hikers a lovely riparian habitat with cottonwoods, wildlife, and scenic creekside views—a perfect place for an easy, immersive walk close to nature.
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This packed dirt multi-use path runs over the rolling hills of the Ruth Roberts Preserve, linking the Lake Link and Rock Creek Trails. From here, you get panoramic views of Colorado's Front Range.
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This packed dirt multi-use trail runs for nearly nine miles, from Lac Amora Open Space to McKay Lake. It links many small lakes, ponds, and streams in Broomfield, and is a great connector for other trails.
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After losing their nest to a lightning strike in August, it was unclear which location the eagles would choose for their to new nest. With limited suitable nesting trees in the area—including one along the trail near their previous nest—they have now settled in a tree here, near the southern end of S. 104th St.
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Boulder County offers a wide selection of traffic-free gravel biking experiences, with over 90 routes available. These range from easy, scenic rides to challenging climbs, ensuring there's something for every skill level.
The no-traffic gravel bike trails in Boulder County feature a diverse mix of terrain. You'll encounter everything from smooth dirt roads and dedicated bike paths to more rugged double-track sections. The region is known for its blend of challenging mountain ascents, scenic foothills, and expansive open spaces, often incorporating sections with stunning views of the Flatirons or serene farmland vistas.
Yes, Boulder County has several excellent options for beginners and families looking for easier, traffic-free gravel rides. Routes around the Boulder Reservoir, such as the Boulder Reservoir – Coot Lake Dock loop from 28th St & Jay Rd, offer mostly flat terrain and beautiful views. The Boulder Creek Path, while not exclusively gravel, provides a shaded and accessible route that connects to other bike-friendly areas.
Many no-traffic gravel bike trails in Boulder County offer breathtaking views and pass by significant natural features. You can often spot the iconic Flatirons, enjoy views of the Boulder Reservoir, or ride alongside Boulder Creek. Some routes, like the Boulder Creek Trail – Gold Hill General Store loop from Boulder, take you towards historic mining towns like Gold Hill. For specific points of interest, consider exploring highlights like Green Mountain Peak or Brainard Lake, which are often visible from or accessible near these trails.
Absolutely! Many of the no-traffic gravel bike routes in Boulder County are designed as loops, allowing you to start and end at the same point. Examples include the Boulder Reservoir – Coot Lake Dock loop from 28th St & Jay Rd and the Boulder Reservoir – Lefthand Trail loop from 63rd St & Nautilus Dr. These circular routes are convenient for planning your ride and returning to your starting point without retracing your steps.
Boulder County offers excellent gravel biking opportunities throughout much of the year. Spring and fall generally provide the most pleasant temperatures and vibrant scenery. Summer is also popular, though it can be warm, so early morning rides are often preferred. While some higher elevation trails may be impacted by snow in winter, many lower elevation routes remain rideable, offering a unique winter experience.
Policies regarding dogs vary by specific trail and open space area in Boulder County. Many open space trails allow dogs, often requiring them to be on a leash or under voice and sight control. It's always best to check the specific regulations for the trail you plan to ride before heading out with your furry companion to ensure compliance and a pleasant experience for everyone.
Parking is generally available at various trailheads and open space access points throughout Boulder County. Popular areas like Chautauqua Park, Betasso Preserve, and trailheads near the Boulder Reservoir often have designated parking lots. For specific routes, checking the tour details on komoot will usually provide information on recommended starting points and parking availability.
Yes, Boulder County is well-equipped with amenities. Many trails are easily accessible from Boulder city, which offers numerous cafes, restaurants, and bike shops. Even on more remote routes, you might find charming stops like the historic Gold Hill General Store. For example, the Boulder Creek Trail – Gold Hill General Store loop from Boulder directly incorporates a visit to this historic spot.
The komoot community highly rates the gravel biking experience in Boulder County, with an average score of 4.5 stars. Reviewers often praise the incredible diversity of terrain, from challenging mountain climbs to serene open spaces, all while enjoying the peace of traffic-free routes. The stunning views of the Flatirons, the well-maintained trail networks, and the opportunity to explore both natural beauty and charming historic towns are frequently highlighted as favorite aspects.
While popular spots can see more activity, Boulder County's extensive open space system offers many opportunities for quieter rides. Exploring routes further north of Boulder, or those that venture into less-traveled canyons, can often provide a more secluded experience. Early mornings or weekdays are also excellent times to find more solitude on any trail.


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