4.6
(15)
207
riders
2
rides
Touring cycling in Rabbit Mountain Open Space offers routes through a unique ecological transition zone at the eastern edge of the foothills in Boulder County, Colorado. The terrain features low hills, sweeping grasslands, and shrublands, providing panoramic views of the Rocky Mountains and the Great Plains. This area is characterized by a mix of prairie and montane ecosystems, with varied landscapes suitable for no traffic touring cycling.
Last updated: May 14, 2026
3.5
(2)
13
riders
25.2km
01:29
70m
70m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
2
riders
15.5km
00:56
50m
50m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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4.3
(3)
48
riders
28.6km
01:38
70m
70m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
14
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
17
riders
44.8km
03:14
250m
250m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Rabbit Mountain Open Space
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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Golden Ponds are three beautiful ponds along the Lykins Gulch Greenway. There is a boardwalk that takes you out towards the center of the main pond, so that you can take in the surrounding scenery.
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The trail around the ponds is a paved bike path with a flat packed gravel side. The ponds are beautiful, especially at dawn and sunset, and there is a parking lot with restrooms on the northeast side.
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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 St. Vrain River Trail is the "crown jewel" of Longmont's trail system as it links many parks, schools, other trails, and commercial areas via an attractive, well-maintained concrete path. This is a great way to get off the roads as you hike around Longmont!
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There are 4 dedicated no-traffic touring cycling routes available in Rabbit Mountain Open Space, offering a variety of experiences for cyclists. Most of these are rated as easy, with one moderate option for those seeking a bit more challenge.
Rabbit Mountain Open Space trails are known for drying quickly after snow, making them accessible year-round. However, for the most pleasant touring cycling experience, spring and fall offer mild temperatures and beautiful scenery. Be aware that rattlesnakes are present from March to October.
Yes, several routes are suitable for families. For an easy and relatively shorter option, consider the Saint Vrain Greenway loop from McIntosh Lake, which covers about 15 kilometers with minimal elevation gain. All the easy-rated routes are generally good for families.
The no-traffic touring cycling routes in and around Rabbit Mountain Open Space primarily feature flat to gently rolling terrain, often following greenways and paved paths. While the preserve itself has diverse landscapes, these specific touring routes are designed for smoother riding, avoiding the more challenging singletrack and loose rock sections found on mountain biking trails within the open space.
While the touring routes often follow greenways adjacent to the preserve, you can still enjoy panoramic views of the Rocky Mountains and the Great Plains. The preserve itself is a unique transition zone of prairie and montane ecosystems. Keep an eye out for diverse wildlife, including prairie dogs, deer, and various bird species, especially near water bodies like McIntosh Lake or Golden Ponds.
For a longer and moderately challenging ride, the Coot Lake Dock – Lagerman Agricultural Preserve loop from Seagate Technology is a good option. It covers over 37 kilometers and includes more elevation gain compared to the other easy routes, providing a more extensive touring experience.
The area is highly rated by the komoot community, with an average score of 4.6 stars from 34 ratings. Reviewers often praise the peaceful, traffic-free nature of the routes, the scenic views, and the accessibility for various skill levels, making it an enjoyable destination for a relaxed ride.
Yes, Rabbit Mountain Open Space provides practical amenities including free parking. Many of the touring routes start or pass near areas with convenient parking, such as McIntosh Lake or locations near Seagate Technology, making access straightforward for cyclists.
While direct public transport to every trailhead might be limited, some routes are accessible from areas that may have bus services in Boulder County. It's advisable to check local public transport schedules and routes, such as those provided by RTD, to plan your journey to the starting points of these no-traffic cycling routes.
Yes, all the no-traffic touring cycling routes listed are designed as loops, allowing you to start and end at the same point. Examples include the Izaak Walton Park – Golden Ponds loop from McIntosh Lake and the Saint Vrain Greenway – Golden Ponds loop from McIntosh Lake, providing convenient circular rides.
Rabbit Mountain Open Space is rich in wildlife. Along the routes, you might spot prairie dogs, mule deer, white-tailed deer, coyotes, and various bird species including hawks, owls, and falcons. Remember that rattlesnakes are present from March to October, so stay alert, especially in grassy areas.
Rabbit Mountain holds historical significance as an ideal winter home for the Arapaho Indians. While the touring routes themselves might not pass directly through archaeological sites, the preserve has a rich history, with remnants of ancient campsites and the Indian Mesa Trail honoring early Native American habitation. You can learn more about the preserve's history on the Boulder County Open Space website.


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