3.2
(16)
56
riders
02:35
29.0km
330m
Mountain biking
Marshall Mesa Loop offers a diverse mountain biking experience, blending cruisy gravel roads with challenging singletrack sections. You will encounter rocky climbs and areas with scattered medium-sized rocks, keeping your ride engaging. The route also features twisty, wooded areas perfect for honing your cornering skills, alongside flat and fast stretches. As you ride, keep an eye out for the iconic Flatirons and expansive views of the plains, which provide a stunning backdrop. This moderate 18.0-mile (29.0 km) trail involves gaining 1080 feet (329 metres) in elevation, typically taking about 2 hours and 35 minutes to complete.
Planning your mountain biking trip to Marshall Mesa Loop is straightforward, as the trail is conveniently located very close to Boulder, making it easily accessible for a quick ride. It is important to be aware that the trails can become muddy after rain or snow. If you encounter mud, please ride directly through it to help preserve the surrounding vegetation and prevent trail widening. Consider checking local conditions before you head out to ensure the best possible riding experience.
This trail is a popular choice within the Boulder Open Space and Mountain Parks system, known for its versatile experience suitable for various skill levels. The mix of terrain, from fast flats to technical climbs, makes it a dynamic route that stands out in the region. It provides an excellent opportunity to experience the unique landscape of the area, offering both a physical challenge and scenic rewards.
Last updated: April 23, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
Parking
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9.04 km
Highlight (Segment) • Trail
Tip by
29.0 km
End point
Parking
Way Types & Surfaces
Way Types
28.8 km
245 m
< 100 m
Surfaces
19.5 km
9.44 km
122 m
< 100 m
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Elevation
Highest point (1,870 m)
Lowest point (1,690 m)
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Weather
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Today
Thursday 7 May
20°C
5°C
13 %
Additional weather tips
Max wind speed: 19.0 km/h
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This route was planned by komoot.
Parking is available at several trailheads that access the Marshall Mesa trail system. The main access points are typically well-marked and provide direct entry to the loop. Check local signage for specific parking regulations and availability.
Yes, dogs are generally allowed on the Marshall Mesa Loop. However, it's crucial to follow the Boulder Open Space and Mountain Parks Voice and Sight Tag program regulations. Dogs must be under voice and sight control or on a leash, and owners are responsible for waste removal. Look for specific signage at trailheads regarding dog rules.
The Marshall Mesa Loop is enjoyable for mountain biking through much of the year. Spring and fall offer pleasant temperatures and vibrant scenery. Summer can be hot, so early morning or late afternoon rides are recommended. Winter riding is possible, but be aware that trails can become muddy after snowmelt or rain, and some sections may be icy. Always check current trail conditions before heading out.
No, there are no entrance fees to access the Marshall Mesa Loop trails, as they are part of the Boulder Open Space and Mountain Parks system. However, if you plan to ride with your dog off-leash, you will need to obtain a Voice and Sight Tag from Boulder Open Space and Mountain Parks. More information can be found on the bouldercolorado.gov website.
The Marshall Mesa Loop system offers a range of difficulties, generally considered easy to moderate. While much of the terrain is mellow and suitable for beginners, some sections, like parts of the Doudy Draw trail, include moderately steep and technical descents with rocks and roots. There are specific 'Beginner Loop' options available within the system that are highly recommended for less experienced riders.
You'll encounter a varied terrain on this loop. It starts with cruisy gravel roads that transition into singletrack. Expect sections with scattered medium-sized rocks, twisty wooded areas, and flat, fast stretches that may contain small, loose rocks. Some routes feature short rock gardens with sandstone slabs. The Doudy Draw section, for instance, includes rocks, roots, and some exposure.
The loop offers spectacular scenery, including expansive views of the plains and the iconic Flatirons. You'll also get glimpses of the foothills, and in some areas, you might even spot a train climbing towards the continental divide. Some sections are deeply wooded, providing a different visual experience.
Yes, the route passes through the Community Ditch Trail. You'll also find deeply wooded sections, particularly the Springbrook Loop, which is great for practicing cornering. The Doudy Draw sections are praised for incorporating climbs, stunning views, cruising sections, and fast downhills. Keep an eye out for the Open Space cattle program and, occasionally, rattlesnakes.
The trails can become very muddy after rain or snow. It's important to ride through the mud, not around it, to preserve vegetation and prevent trail widening. If conditions are excessively muddy, it's best to choose an alternative trail or wait for drier conditions to avoid damaging the path.
Yes, the Marshall Mesa Loop is part of an interconnected network of trails. The route itself utilizes sections of the Marshall Mesa, Mayhoffer Trail, Singletree Trail, Meadowlark Trail, Doudy Draw, and the Community Ditch Trail, among others. This extensive system allows for significant flexibility to create custom routes and connect to both western and eastern trail systems.
Yes, the Marshall Mesa Loop can be family-friendly, especially if you stick to the easier sections. The system offers 'Beginner Loop' routes that are considered some of the easiest rides in the area. However, some parts of the loop, particularly certain singletrack sections with rocks and climbs, might be challenging for very young or inexperienced riders. It's best to assess your family's skill level and choose appropriate sections.