4.5
(63)
2,059
riders
39
rides
Gravel biking around Boulder offers a diverse landscape at the foothills of the Rocky Mountains, blending flat plains with challenging mountainous terrain. The region features an extensive network of gravel roads, bike paths, and trails, providing varied cycling adventures. Riders can explore open spaces, canyons, and reservoirs, with many routes offering mountain, foothill, and forest views. This geographical blend supports a wide range of no traffic gravel bike trails suitable for various skill levels.
Last updated: May 11, 2026
132
riders
67.2km
05:11
1,900m
1,900m
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
(1)
93
riders
58.5km
04:03
1,230m
1,230m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.5
(4)
100
riders
60.8km
03:43
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
26
riders
33.5km
02:39
410m
410m
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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Could love more on the trails with soft and dry graves, some portion has hard rocks.
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Though the mud after days of sunshine after winter storm became smooth and look nice. However, there are still cars going through and the washboards could be so bumpy. Especially, the wind speed was averaged around 15mph on that day. It might be hard to write this part.
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The Assay Office Museum contains many tools and implements used in the assaying process, as well as furniture and artwork owned by the Bailey family. The museum is open the third Saturday of the month May through October. https://bouldercounty.gov/open-space/education/museums/assay-office/
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If you're looking for an excuse to pull over for a minute — or just a nice patch of nature on your ride — Maxwell Lake Park fills the bill. It has a small lake and an unpaved walking path (so you'll need to put your bike away when you walk around it).
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This little reservoir is a nice waypoint on your travels to or from the neighborhoods of Washington Village and Pine Hill, or nearby Maxwell Park. There's a paved trail that makes cycling here easy.
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Boulder offers a fantastic selection of traffic-free gravel bike trails. Our guide features over 40 routes, ranging from easy to difficult, ensuring there's something for every skill level to explore the region's diverse landscapes without vehicle interference.
Yes, Boulder has several beginner-friendly options. While many routes offer varied terrain, you can find easier sections, particularly around the Boulder Reservoir area. For a moderate but accessible ride, consider the Boulder Reservoir – Lefthand Trail loop, which provides scenic views with less challenging climbs.
For experienced riders seeking a challenge, Boulder's foothills offer significant climbs and rewarding views. Routes like the Gold Hill General Store – Chapman Drive Trail loop from Boulder or the Boulder Creek Trail – Gold Hill General Store loop will test your endurance with substantial elevation gains through mountainous terrain.
Boulder's gravel trails offer incredibly diverse scenery, from the iconic Flatirons and expansive open spaces to forested canyons and high-altitude mining towns. You'll encounter sweeping mountain views, serene reservoir vistas, and picturesque farmlands, often with the majestic Rocky Mountains as a backdrop.
While many gravel routes involve some elevation, flatter sections around areas like the Boulder Reservoir and Coot Lake can be more suitable for families. These areas often feature dedicated bike paths and quieter gravel sections, perfect for a relaxed outing.
Many of Boulder's open space trails are dog-friendly, but leash laws and specific regulations vary by area. Always check local signage or the Boulder Open Space and Mountain Parks website for the most current rules regarding dogs on trails, especially for areas like the Lagerman Agricultural Preserve or around Twin Lakes.
Boulder's gravel trails often pass by stunning natural features and points of interest. You might cycle past the serene Boulder Reservoir, the tranquil Golden Ponds, or enjoy panoramic views from spots like the Davidson Mesa Overlook. Higher routes can lead to historic mining towns like Gold Hill.
The komoot community highly rates the gravel biking experience in Boulder, with an average score of 4.4 stars. Riders frequently praise the incredible variety of terrain, from rolling plains to challenging mountain climbs, and the stunning, uninterrupted views of the Flatirons and Rocky Mountains. The ability to escape traffic and immerse oneself in nature is a recurring highlight.
Yes, many of the no-traffic gravel routes in Boulder are designed as loops, allowing you to start and end at the same point. Examples include the Boulder Reservoir – Coot Lake Dock loop and the Boulder Valley Ranch Pond – Lefthand Trail loop, which offer convenient circular options for exploration.
Parking is often available at various trailheads and open space access points around Boulder. For routes closer to the city, public transport options like Boulder's bus system can get you close to trail access points, especially along the Boulder Creek Path which connects to many gravel routes. Always check specific trailhead information for parking availability and public transport connections.
Boulder's gravel trails are generally accessible year-round, but the best time depends on your preference. Spring and fall offer pleasant temperatures and vibrant scenery. Summers can be warm, making early morning rides ideal. Winter riding is possible, especially on lower elevation trails, but be prepared for colder temperatures and potential snow or ice, particularly at higher altitudes.


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