4.7
(16)
408
riders
11
rides
No traffic gravel bike trails around Longmont offer diverse landscapes ranging from flat agricultural fields to gently rolling terrain with views of the Rocky Mountains. The region features numerous lakes and reservoirs, such as McIntosh Lake and Union Reservoir, which are integrated into many routes. Moving westward, the terrain transitions into foothills and canyons, providing varied natural perspectives for gravel bikers. These areas are characterized by open spaces, well-graded crushed gravel, and dirt roads.
Last updated: May 28, 2026
4.8
(4)
41
riders
35.2km
01:52
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
41
riders
52.8km
03:14
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
29
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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.
11
riders
50.5km
03:33
410m
410m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Longmont
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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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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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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Longmont offers a good selection of traffic-free gravel biking experiences. This guide features 11 curated routes, ranging from easy to moderate difficulty, perfect for exploring the region's natural beauty without vehicle interference.
You'll encounter diverse landscapes, from vast agricultural lands and open spaces with views of the Rocky Mountains to scenic lakes and reservoirs like McIntosh Lake and Boulder Reservoir. Many routes also pass through the Lagerman Agricultural Preserve, offering picturesque views of foothills and fields.
Yes, Longmont has several routes suitable for beginners. An excellent option is the Somerset Trail β Left Hand Creek Park loop from Longmont Park-n-Ride, which is rated as easy and features minimal elevation changes on well-maintained surfaces.
For a longer and more challenging ride, consider the Lefthand Trail loop from Seagate Technology. This route covers over 50 km and includes more significant elevation changes, providing a robust gravel biking experience.
Many routes offer views of natural attractions. You can ride past Golden Ponds, McIntosh Lake, and the Lagerman Agricultural Preserve. The 51st Street (Gravel to Eagle Trailhead) also offers views overlooking Boulder Valley Ranch towards the foothills.
Some routes, like the Somerset Trail β Left Hand Creek Park loop, start conveniently from the Longmont Park-n-Ride, which can be accessed via public transport. Check local transit schedules for specific connections to trailheads.
Yes, many of the traffic-free gravel routes in Longmont are designed as loops. For example, the Coot Lake Dock loop from Hover St & Ken Pratt Blvd offers a circular ride around scenic lakes and farms.
Longmont benefits from over 300 days of sunshine annually, making most seasons suitable for gravel biking. Spring and fall offer pleasant temperatures, while summer can be enjoyed with early morning or late afternoon rides. Winter riding is also possible on clear days, but always check trail conditions for ice or snow.
Many of Longmont's gravel trails are ideal for families, especially those with minimal elevation changes and well-maintained surfaces. Routes around reservoirs and through open spaces provide safe and enjoyable experiences for all ages. The Open Sky Loop β Lagerman Preserve Trailhead is a moderate option that features a mix of gravel and dirt through open spaces, suitable for families with some biking experience.
The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the extensive trail networks, the stunning views of the Rocky Mountains, and the peaceful, traffic-free environment that allows for immersive outdoor experiences.
Many trailheads and open spaces in Longmont, such as the Lagerman Agricultural Preserve and areas near McIntosh Lake, offer designated parking facilities. For routes like the Somerset Trail β Left Hand Creek Park loop, you can find parking at the Longmont Park-n-Ride.


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