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Road cycling routes
United States
Colorado
Boulder County

Longmont

The best road cycling routes around Longmont

4.7

(19)

820

riders

42

rides

Road cycling routes around Longmont are set against a backdrop of the Rocky Mountains, offering distant views of snow-capped peaks. The terrain primarily consists of flat plains, intersected by the St. Vrain Creek and several lakes, including McIntosh Lake. The region features a network of paved greenways and rural roads, providing varied surfaces for cyclists.

Best road cycling routes around Longmont

  • The most popular road cycling route is Longmont Loop and Saint Vrain Greenway, a 22.4 miles (36.1 km)…

Last updated: May 10, 2026

4.9

(8)

23

riders

#1.

Longmont Loop and Saint Vrain Greenway

36.1km

01:46

110m

110m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

19

riders

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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3

riders

27.8km

01:16

90m

90m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy
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Tips from the Community

Zachary
November 12, 2023, Golden Ponds

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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Jamie S.
October 23, 2023, Main Street

Lyons is a small town north of Boulder and southeast of Estes Park. There are several cute coffee shops, boutiques, and restaurants on Main Street, which makes it a great place to start or end a ride in the challenging foothills west of town.

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The Rough and Ready Ditch Trail, or Greenway, runs along one of Longmont's oldest irrigation ditches. This short multi-use trail is open to all non-motorized traffic and is popular with walkers, runners, and cyclists.

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The St. Vrain River Greenway 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 ride around Longmont!

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Jamie S.
October 23, 2023, McIntosh Lake

McIntosh Lake is a beautiful reservoir in Longmont that offers 3.5 miles of easy walking trails and fantastic views of Longs Peak and Mt. Meeker. It's popular with walkers, runners, and cyclists, as well as paddle-boarders, kayakers, canoers (only non-motorized boats are allowed). Perhaps because ban on motor boats, McIntosh Lake is a great area to see wildlife including, prairie dogs, bald eagles, pelicans, and other water birds. The Oligarchy Ditch Greenway connects to McIntosh Lake, which is a great way for cyclists to access this area.

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The Mountain Fountain is a great little country store in the tiny town of Hygiene in an old grocery store that was built in 1945. It is an extremely well-known and popular stop with local cyclists, and they carry a ton of snacks and drinks for you to refuel on your ride.

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Jamie S.
October 17, 2023, Sunflower Silo

The Sunflower Silo is a well-known landmark for Boulder cyclists. Just south of the small town of Hygiene, the Sunflower Silo is along a scenic section of smooth gravel road nestled among spread out, rural farms.

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49th and 51st Street (they merge into one) connects Nelson Road to the south with Saint Vrain Road to the north, both of which are very popular roads to ride on. 49th and 51st Street is then a great way to add some gravel and scenic farm-views to your day.

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Frequently Asked Questions

How many road cycling routes are available around Longmont?

Longmont offers a diverse network of over 40 road cycling routes. These routes cater to various skill levels, with 17 easy, 23 moderate, and 3 more challenging options.

What are some easy, family-friendly road cycling routes in Longmont?

For an easy and family-friendly ride, the Saint Vrain Greenway and Longmont Loop is a great choice. It's a 23.6-mile route that combines the scenic St. Vrain Greenway with the broader Longmont Loop, offering a smooth and enjoyable experience through neighborhoods, parks, and greenways. Another excellent option is the Longmont Loop, a 17.3-mile easy path.

Are there loop road bike trails in Longmont?

Yes, Longmont features several excellent loop trails. The Longmont Loop and Saint Vrain Greenway is a popular 22.4-mile loop. Another favorite is the Hygiene and Nelson Road loop, which spans 22.8 miles and offers pleasant rural scenery with views of the Boulder Foothills.

What can I see along the road cycling routes in Longmont?

Many routes offer stunning views of the Rocky Mountains, including Longs Peak. You can also explore natural attractions like McIntosh Lake, which provides panoramic mountain vistas, or the serene Golden Ponds. The St. Vrain Greenway follows the scenic St. Vrain Creek, offering shaded sections and opportunities for wildlife viewing.

What is the best time of year for road biking in Longmont?

Longmont boasts over 300 days of sunshine annually, making it suitable for road cycling year-round. Spring and fall offer pleasant temperatures, while summer provides long daylight hours. Even in winter, many days are clear and mild enough for a ride, though checking local weather conditions is always recommended.

Are there any connections to larger regional cycling networks from Longmont?

Absolutely. Longmont's trail system connects to broader regional networks, allowing for extended rides. The Longmont-to-Boulder (LOBO) Regional Trail, for instance, provides a 26.8-mile route connecting Longmont to Boulder's extensive cycling network, featuring mostly paved surfaces with some hard-packed gravel sections.

What do other road cyclists enjoy most about road cycling in Longmont?

The komoot community highly rates road cycling in Longmont, with an average score of 4.7 stars from over 20 reviews. Cyclists frequently praise the extensive greenways, the open plains, and the distant mountain vistas. The variety of routes, from easy paved paths to moderate options, is also a highlight.

Are there any less crowded road bike trails in Longmont?

While popular routes like the St. Vrain Greenway can see more activity, many of Longmont's rural roads and less-trafficked loops offer a more serene experience. Exploring routes like the Hygiene, Niwot Road, and Lyons loop, which leads through varied rural landscapes, can provide a quieter ride, especially during off-peak hours.

Where can I find parking for road bike trails in Longmont?

Many of Longmont's parks and trailheads offer designated parking areas. For example, access points along the St. Vrain Greenway and near McIntosh Lake typically have parking facilities. It's advisable to check specific trailhead information for the route you plan to ride.

Are there opportunities for birdwatching or wildlife viewing along the routes?

Yes, Longmont's natural areas are rich in wildlife. The St. Vrain Greenway, McIntosh Lake, and the Golden Ponds are known for abundant wildlife, making them excellent spots for birdwatching. You might spot various bird species, deer, and other local fauna, especially in the quieter sections of the trails.

Can I find cafes or places to stop for refreshments along the road bike trails?

While specific cafes might not be directly on every trail, Longmont is a city with numerous amenities. Many routes pass through or near residential and commercial areas where you can find cafes, restaurants, and convenience stores for refreshments. Planning your route with a quick detour into town can easily accommodate a coffee break or snack stop.

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