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United States
Colorado

Boulder County

The best cycling routes in Boulder County

4.6

(198)

7,555

riders

428

rides

Touring cycling in Boulder County offers a diverse range of experiences across its varied landscapes. The region features iconic slanted rock formations like the Flatirons, extensive mountain canyons with significant elevation gains, and gentle rolling hills. Dedicated bike paths along waterways and through open spaces provide accessible routes for different skill levels.

Best touring cycling routes in Boulder County

  • The most popular touring cycling route is Ward via Lefthand Canyon and Lee Hill, a 37.6 miles (60.5 km) trail that takes 4 hours 20 minutes to complete. This difficult route offers a long, steady climb through scenic canyons.
  • Another top favourite among local touring cyclists is Flagstaff Mountain and Chapman Drive Loop, a difficult 12.4 miles (20.0 km) path. This route features a steep and twisty climb, providing rewarding views from the summit.
  • Local touring cyclists also love the Longmont-to-Boulder (LOBO) Regional Trail, a 26.8 miles (43.1 km) trail leading through diverse landscapes and offering mountain views, often completed in about 2 hours 40 minutes.
  • Touring cycling in Boulder County is defined by mountain canyons, the iconic Flatirons, rolling hills, and dedicated bike paths. The network offers options for challenging ascents and less strenuous, scenic rides.
  • The routes in Boulder County are highly rated by the komoot community with an average score of 4.7 stars from over 200 reviews. More than 7000 touring cyclists have used komoot to explore Boulder County's varied terrain.

Last updated: April 26, 2026

6

riders

#1.

Altona to Jamestown Cycling Route

14.9km

01:16

410m

40m

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

4.8

(4)

222

riders

Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.

Hard
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5.0

(2)

149

riders

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

5.0

(1)

102

riders

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

4.8

(8)

67

riders

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

5.0

(1)

54

riders

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Boulder County

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Tips from the Community

Draxula
May 24, 2025, South Boulder Creek Trail (Gravel)

Stay on the highest point of the path - you’ll find less gravel

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Steep. Bring your gears. Wonderful views. Ride it early during the week

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Be a nice person Busy trail - Brush up on trail etiquette.

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Great viewpoint along the LOBO Regional Trail. There is a bench for you to stop and take a break to enjoy the vistas.

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The views from here are amazing. It shows just how wide and open Davidson Mesa Open Space is. It's a great place to stop for a pause.

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If you often shop at Publix Super Markets, you may enter a drawing to win a $1000 gift card by sharing your shopping experience on Publixsurvey.com Visit Here - https://publexsurveycom.store/

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Cradleboard Trail is a short trail in Carolyn Holmberg Preserve in western Broomfield. It leads from the parking lot at South Brainard Drive to Stearns Lake and is a nice trail to view wildlife like prairie dogs and eagles.

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This area provides a tranquil atmosphere in the midst of the city, featuring several bodies of water and creeks. With stunning views of the Front Range, it's a place to keep an eye out for wildlife, given the variety that may inhabit the area.

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Frequently Asked Questions

How many touring cycling routes are available in Boulder County?

Boulder County offers a wide variety of touring cycling routes, with over 400 options recorded on komoot. These routes cater to all skill levels, including 160 easy, 164 moderate, and 93 difficult trails.

What are some good options for moderate touring cycling routes in Boulder County?

For moderate touring cycling, consider routes like the Altona to Jamestown Cycling Route, which covers nearly 15 km with a moderate elevation gain. Another excellent choice is the Rock Creek and Coal Creek Trail Loop, a 32 km path offering a pleasant ride through varied terrain.

Are there any challenging routes for experienced touring cyclists in Boulder County?

Absolutely. Boulder County is known for its challenging climbs. Routes like Gold Hill via Fourmile and Sunshine Canyons offer significant elevation gains, reaching over 1000 meters. Another demanding option is the NCAR and Flagstaff climbs, Chapman Drive and Boulder Canyon loop from Table Mesa, which includes iconic ascents.

What scenic viewpoints can I expect along touring cycling routes in Boulder County?

Many routes in Boulder County offer stunning views. The iconic Flatirons are a constant backdrop, visible from many trails. For panoramic vistas, consider routes that ascend Flagstaff Mountain, which provides some of the region's best views. You can also find great overlooks like Davidson Mesa Overlook.

Are there any loop routes for touring cyclists in Boulder County?

Yes, Boulder County features several excellent loop routes. The Dirty Bismark loop from Bobolink Trailhead is a challenging 38 km option. For a scenic and demanding ride, try the Olde Stage Road, Lefthand Canyon, and 63rd Street loop, which covers over 45 km.

What natural attractions can I explore near the cycling routes?

Boulder County is rich in natural beauty. Many routes pass by or offer views of prominent peaks like Green Mountain Peak, Bear Peak, and Mount Sanitas. You can also find serene spots like Brainard Lake or the impressive Royal Arch.

What do other touring cyclists say about the routes in Boulder County?

The touring cycling routes in Boulder County are highly regarded by the komoot community, boasting an average rating of 4.7 stars from over 200 reviews. Cyclists often praise the diverse landscapes, from challenging mountain ascents to scenic paths along waterways, and the rewarding views, especially from higher elevations.

Are there any routes that feature the iconic Flatirons?

Yes, the Flatirons are a defining natural landmark of Boulder and provide a dramatic backdrop to many rides. While specific routes aren't solely dedicated to viewing them, many trails in the Boulder area, such as those around the Boulder Reservoir or Marshall Mesa, offer excellent scenic views of these iconic rock formations.

What kind of terrain can I expect on touring cycling routes in Boulder County?

Boulder County offers a diverse range of terrain. You'll find challenging mountain ascents through scenic canyons like Lefthand Canyon and Sunshine Canyon, as well as gentler rides through rolling hills and dedicated paved bike paths along waterways. Some routes, like those near Gold Hill, may even include steep gravel sections for an extra challenge.

Can I access public transport to reach touring cycling routes in Boulder County?

Boulder County has a public transportation system, RTD, which offers bus services that can connect you to various parts of the county. Many routes, especially those closer to urban centers or along major corridors, may have bus stops nearby, making it possible to combine cycling with public transport. It's advisable to check specific route maps and schedules for the most convenient access points.

Are there any routes that are particularly good for wildlife viewing?

The Boulder Creek Path is an excellent choice for wildlife viewing. This scenic path winds through grasslands and forests, providing opportunities to spot local wildlife such as fish, ducks, elk, and deer. Other routes that traverse open spaces and less developed areas may also offer chances to see mule deer, red-tailed hawks, and coyotes.

What is the best time of year for touring cycling in Boulder County?

The best time for touring cycling in Boulder County generally spans from late spring through early fall (May to October). During these months, the weather is typically mild, and mountain passes are clear of snow. However, lower elevation paths like the Boulder Creek Path can be enjoyable year-round, weather permitting, though winter conditions can bring snow and ice.

Most popular routes in Boulder County

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Most popular attractions in Boulder County

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Didn’t find what you were looking for?

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