4.5
(21)
836
riders
11
rides
Road cycling around Longmont, Colorado, is characterized by its diverse terrain, offering views of the Rocky Mountains and the Boulder Foothills. The region features flat plains intersected by the scenic St. Vrain Creek and various lakes, such as McIntosh Lake. Cyclists can navigate extensive trail networks that include paved paths and greenways, providing a range of experiences from leisurely rides to more challenging routes. The landscape primarily consists of open spaces, rural scenery, and natural waterways.
Last updated: May 28, 2026
2
riders
23.6km
01:11
90m
90m
Enjoy an easy 14.7-mile road cycling loop on the Saint Vrain Greenway and Longmont Loop, featuring river views and Golden Ponds.
4.0
(3)
25
riders
59.8km
02:35
450m
450m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

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4.0
(2)
13
riders
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
13
riders
29.4km
01:26
80m
80m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
5.0
(1)
11
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Longmont
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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The Sandstone Ranch Park in Longmont, Colorado, is a vast recreational and natural area that offers a variety of amenities and activities. It spans over 313 acres, featuring athletic fields, playgrounds, picnic areas, and extensive walking and biking trails, including the St. Vrain River Greenway. The park also includes historical sites, such as the Sandstone Ranch Visitors & Learning Center, which offers educational programs about the local environment and history. Additionally, the park hosts community events and sports programs, making it a popular destination for locals and visitors alike.
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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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The Union Reservoir Nature Area in Longmont, Colorado, is a picturesque recreational haven. This 736-acre body of water, originally named Calkins Lake, is a natural glacial lake and one of only a few in Colorado. The area offers a variety of activities, making it a popular destination for locals and visitors alike. Visitors can enjoy fishing, kayaking, paddleboarding, sailing, and even windsurfing. Swimming is allowed in designated areas, and there's a sandy beach for sunbathers as well as a designated dog beach. For those who prefer land-based activities, there are trails for hiking and biking that offer scenic views of the reservoir and the surrounding landscape. Wildlife enthusiasts will appreciate the chance to observe birds and other animals around the water. The area is also known for its truly stunning sunsets, providing an amazing end to a day spent outdoors.
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Dawson Park is a popular spot with shaded areas and plenty of grassy spots to picnic. The lake overlooks Longs Peak and the Front Range.
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The park has ample parking, nice green space, and restrooms. The bike path follows the creek here for a ways and is a great scenic path that connects to a number of other routes around Longmount.
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There are 10 carefully curated no-traffic road cycling routes around Longmont in this guide. These routes are designed to offer a peaceful and scenic riding experience away from vehicle traffic, with 5 easy and 5 moderate options to choose from.
Longmont's no-traffic road cycling routes primarily feature paved paths and greenways, offering a smooth ride. You'll experience mostly flat plains, often alongside scenic waterways like the St. Vrain Creek, with stunning panoramic views of the Rocky Mountains in the distance. Some routes may incorporate sections with crushed limestone or gravel, particularly around lakes or in more rural areas, but the focus remains on road-bike friendly surfaces.
Yes, Longmont offers several excellent family-friendly options. The Saint Vrain Greenway and Longmont Loop is a great choice, utilizing the paved St. Vrain Greenway which is known for its accessibility and scenic river views. Another easy option is the Left Hand Creek Trail β Sandstone Ranch Community Park loop, which is also suitable for families looking for a relaxed ride.
Many routes offer breathtaking views of the Rocky Mountains, including Longs Peak and Mt. Meeker. You can also enjoy scenic waterside riding around lakes like McIntosh Lake and Golden Ponds. The St. Vrain Greenway itself is a highlight, featuring river views and sculptures. You might also spot wildlife such as deer and various bird species.
The best time for road cycling in Longmont is generally from spring through fall (April to October). During these months, the weather is typically mild and pleasant, with less chance of snow or ice. Summer offers warm days perfect for longer rides, while spring and fall provide comfortable temperatures and beautiful scenery. Winter cycling is possible but requires appropriate gear due to colder temperatures and potential for snow.
Yes, many of the routes in this guide are designed as loops, allowing you to start and end at the same point without retracing your path. For example, the Saint Vrain Greenway and Longmont Loop and the The Mountain Fountain β Main Street loop are both excellent circular options for exploring the area.
Many of Longmont's trailheads and parks offer convenient parking. For instance, routes like the Izaak Walton Park β Golden Ponds loop often start near designated parking areas. It's always a good idea to check the specific route details on komoot for recommended starting points and parking information.
The komoot community highly rates the no-traffic road cycling experience in Longmont, with an average score of 4.6 stars. Reviewers often praise the peaceful, car-free paths, the stunning mountain views, and the well-maintained greenways that make for a relaxing and enjoyable ride. The accessibility to natural areas like Golden Ponds and McIntosh Lake is also frequently highlighted.
Longmont has a local bus system (RTD) that serves various parts of the city, and some routes may have stops near trail access points. For example, the The Mountain Fountain β Main Street loop mentions starting from a bus stop. We recommend checking the RTD website for current schedules and routes to plan your journey to the trailheads.
While this guide focuses on no-traffic routes, some moderate options offer longer distances. The Carter Lake Overlook β McIntosh Lake loop, for example, covers nearly 60 kilometers and includes more elevation gain, providing a good challenge while still prioritizing scenic, low-traffic roads and paths.
For a broader overview of outdoor activities and attractions in Longmont, including details on parks and other recreational opportunities, you can visit the official Visit Longmont website. They provide comprehensive information on various ways to enjoy the natural beauty of the area.


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