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Road cycling routes
United States
Colorado
Boulder County

Boulder

The best road cycling routes around Boulder

4.7

(113)

9,087

riders

183

rides

Road cycling routes around Boulder offer diverse terrain, from challenging mountain ascents to scenic rolling hills. The region is characterized by its proximity to the Rocky Mountains, featuring iconic sandstone formations like the Flatirons and numerous canyons. Road cyclists can navigate routes with significant elevation gains or opt for flatter paths alongside rivers and reservoirs. This varied landscape provides a comprehensive road cycling experience for different skill levels.

Best road cycling routes around Boulder

  • The most popular road cycling route is Ward, Lefthand Canyon, and Lee Hill loop from Pearl Street, a 46.3 miles (74.5 km) trail that takes 3 hours 59 minutes to complete. This difficult route features significant climbs through canyons and past mountain foothills.
  • Another top favourite among local road cyclists is Jamestown via Olde Stage and Highway 36 loop, a moderate 31.3 miles (50.4 km) path. This route offers a mix of steady climbs and scenic descents with views of the surrounding landscape.
  • Local road cyclists also love the Boulder Reservoir loop via 63rd Street, Niwot Road, and 36 from Pearl Street, a 20.9 miles (33.7 km) trail leading through rolling terrain and past the Boulder Reservoir, often completed in about 1 hour 26 minutes.
  • Road cycling around Boulder is defined by challenging mountain climbs, scenic rolling hills, and routes alongside reservoirs. The network offers options for different ability levels, from easy loops to advanced ascents.
  • The routes in Boulder are highly rated by the komoot community with an average score of 4.7 stars from more than 100 reviews. More than 8,000 road cyclists have used komoot to explore Boulder's varied terrain.

Last updated: July 7, 2026

4.8

(5)

404

riders

#1.

Ward, Lefthand Canyon, and Lee Hill loop from Pearl Street

74.5km

03:59

1,340m

1,340m

The Ward, Lefthand Canyon, and Lee Hill loop from Pearl Street is a popular road cycling route that immerses you in Boulder's iconic mountain landscape. You'll experience the dramatic ascent through Lefthand Canyon, winding past rugged cliffs and dense forests, before reaching the quaint mountain community of Ward. The return journey features the notorious Lee Hill Drive Climb, a true test of stamina, making this a difficult ride for advanced cyclists.

This challenging road cycling route near Pearl Street Boulder covers a substantial 46.3 miles (74.5 km) with an impressive 4391 feet (1338 metres) of elevation gain, typically requiring about 3 hours and 59 minutes. Starting from Pearl Street means you're already in the heart of Boulder, with numerous cafes near Pearl Street Mall Boulder for a pre-ride coffee or post-ride meal. Plan for an early start to make the most of the day and ensure ample time for this demanding loop.

What makes this loop stand out among Boulder's best cycling routes is its combination of scenic canyon riding and significant mountain climbs. The route offers a comprehensive tour of the area's diverse terrain, from the urban fringe to high-alpine feel near Ward, providing a rewarding experience for those seeking a serious workout and stunning views. It's a classic for a reason, offering a true taste of Colorado's cycling challenges.

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Hard

This road cycling loop from Pearl Street to Jamestown and back is a classic Boulder ride, offering a fantastic blend of challenging climbs and scenic canyon descents. You'll experience the quiet beauty of the foothills, winding through areas like Lefthand Canyon and tackling the notable Lee Hill Drive Climb. The route provides a great sense of accomplishment as you navigate the varied terrain, with the small mountain town of Jamestown serving as a perfect mid-ride destination.

Starting from the vibrant East Pearl Street, you'll want to plan for parking in one of the nearby public lots, keeping in mind that they can fill up quickly on busy days. The 28.6-mile (46.0 km) loop, with its 2855 feet (870 metres) of elevation gain, is rated moderate and typically takes around 2 hours and 30 minutes to complete. Always check weather conditions, especially for seasonal changes, as the higher sections can be affected by snow or strong winds outside of peak cycling season.

What makes this route stand out is its accessibility from Boulder combined with the feeling of truly getting away into the mountains. It's a popular choice for advanced road bike climbs near Boulder Colorado, offering a substantial workout without requiring a long drive to the trailhead. The opportunity to refuel at the Jamestown Mercantile Café adds a nice touch, making it more than just a ride, but a mini-adventure into Boulder County's stunning backyard.

Moderate
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4.8

(5)

368

riders

The Jamestown via Olde Stage and Highway 36 loop offers a quintessential Boulder County road cycling experience, blending challenging climbs with scenic canyon descents. You'll navigate the winding roads of Lefthand Canyon and James Canyon Drive, soaking in the natural beauty of the foothills. This moderate 31.3-mile (50.4 km) route, with its 2264 feet (690 metres) of elevation gain, is a rewarding journey for cyclists who appreciate varied terrain and a good workout, typically taking around 2 hours and 27 minutes to complete.

To make the most of this ride, consider starting from North Boulder, where Highway 36 begins its journey north. Parking can be found in various spots around the area, but specific trailhead parking isn't detailed, so plan accordingly. Always carry ample water, especially during the warmer months, and aim for a morning start to enjoy cooler temperatures and lighter traffic. The Jamestown Mercantile Café provides a perfect opportunity for a mid-ride refuel.

This loop is a popular choice among local cyclists for its combination of sustained climbs, like the one up Old Stage Road, and the fast, flowing descents through canyons. It's a fantastic way to explore the scenic backroads leading to Jamestown, a small mountain town known for its historic charm. The route offers a taste of the challenging yet beautiful road cycling that Boulder County is famous for, making it a top-rated option for those seeking advanced road cycling routes near Jamestown, CO.

Moderate

5.0

(3)

292

riders

This challenging road cycling route takes you from the urban buzz of Pearl Street in Boulder out into the expansive northern plains and up to the scenic Carter Lake area. You'll experience a mix of flat, fast sections and significant climbs, passing through rural landscapes with distant Foothills Views. It's a demanding ride that rewards you with diverse scenery and a true sense of accomplishment.

Starting from Pearl Street, you'll need to plan for parking in Boulder's downtown area. Given the route's length and difficulty, an early morning start is advisable, especially if you're tackling it during the warmer months, to make the most of cooler temperatures and lighter traffic. Ensure you carry ample hydration and nutrition for the entire 72.9-mile (117.2 km) journey.

This difficult 72.9-mile (117.2 km) loop, with 2565 feet (782 metres) of elevation gain and an estimated duration of 5 hours and 13 minutes, is ideal for advanced road cyclists seeking a substantial day in the saddle. It connects several popular cycling areas, offering a comprehensive tour of the region's varied terrain, from the plains near Hygiene to the more undulating roads around Carter Lake.

Hard

The Sunshine and Fourmile Canyons to Gold Hill loop offers a classic Boulder road cycling experience, pushing your limits with its substantial climbs. You'll navigate the winding roads of Sunshine Canyon and Fourmile Canyon, with the charming Gold Hill General Store serving as a memorable waypoint. This 22.9-mile (36.9 km) route, featuring 3353 feet (1022 metres) of elevation gain, is rated difficult and typically takes about 3 hours and 19 minutes, making it ideal for cyclists who thrive on challenging ascents and scenic mountain roads.

To make the most of this demanding ride, plan to start your journey from Boulder, where you can find suitable parking. Given the significant elevation and duration, an early morning start is recommended, particularly during summer, to enjoy cooler temperatures and avoid potential afternoon weather. Always ensure you have adequate hydration and nutrition for this strenuous outing.

This loop is a quintessential Boulder road cycling route, connecting two prominent canyons with the historic mining town of Gold Hill. It's a fantastic way to experience the region's rugged beauty and get a serious workout, offering a different perspective than the more common routes. The blend of challenging terrain and the unique character of Gold Hill make it a standout option among Boulder's advanced cycling routes.

Hard
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Tips from the Community

Draxula
May 24, 2025, Olde Stage Road Climb (Lee Hill Drive to Olde Stage Overlook)

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

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JCPenney has a constant desire to use technology to address several business-related issues. The kiosk concept is just another way that technology is being used to offer an online one-stop shop. It is unique in its sort. It gives clients useful information to boost their degree of control. https://jcpenneykiosk.store/

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The Ward General Store is a welcome sight for all cyclists after the hard climbing necessary to get here! Well-known and well-loved, the Ward General Store has snacks, drinks, and bathrooms for a quick refuel before tackling either more hard climbing or fast and long descents.

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Fourmile Canyon Road is a popular cycling spot that connects Boulder Canyon all the way up to the "ghost town" of Gold Hill via Gold Run Road, Gold Hill Road, and the Peak to Peak Highway. This particular section of Fourmile is from Boulder Canyon to Poorman Hill Road, another popular gravel road that connects to Sunshine Canyon.

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Sunshine Canyon is a popular ride that that takes you straight from downtown Boulder up into the foothills past popular hikes like Mount Sanitas and Lions Lair. This upper section of Sunshine Canyon is gravel, but it is generally well-graded, and hard packed; it is frequently completed by local cyclists on road bikes. The only place where the gravel can be a little looser and chunkier is toward the top of the canyon by Gold Hill, so be aware when ascending or descending.

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Lee Hill Drive is a popular, challenging climb that connects the intersection of Lee Hill with Olde Stage just outside of North Boulder, and Lefthand Canyon. The backside of Lee Hill (the Lefthand Canyon side) is a little nicer for climbing because there is less traffic than on the the Boulder side where there is no shoulder on a series of initial switchbacks. Regardless of which way you go up Lee Hill, coming down the 1,400 foot climb is a real treat after the challenging journey up!

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Jamie S.
October 23, 2023, East Pearl Street

The east end of Pearl Street before you reach the Pedestrian Mall has seen a lot of growth these last few years. There are great restaurants and coffee shops as well as shopping. There are several large outdoors stores from well-known brands, including Patagonia, Arc'Teryx, Backcountry, Stio, and Mont Bell, all within a few blocks of each other. Boxcar Coffee is an excellent place for a post (or mid) ride latte and pastry, and its right next to Rapha, a high-end cycling clothing shop that also serves coffee.

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Frequently Asked Questions

What types of road cycling routes can I find around Boulder?

Boulder's road cycling routes offer a diverse experience, from challenging mountain climbs with significant elevation gains to scenic rolling hills and flatter paths alongside reservoirs. You'll find options for all skill levels, from easy loops to advanced ascents.

Are there any challenging road cycling routes for experienced riders?

Yes, Boulder is known for its demanding climbs. For a rigorous workout, consider the Ward, Lefthand Canyon, and Lee Hill loop from Pearl Street. This difficult 46.3-mile route features significant climbs through canyons and past mountain foothills, taking nearly 4 hours to complete. The region's terrain, including areas like Flagstaff Mountain Road and Left Hand Canyon, provides ample opportunities for advanced cyclists.

Can I find moderate road cycling routes with scenic views?

Absolutely. A popular moderate route is the Jamestown via Olde Stage and Highway 36 loop. This 31.3-mile path offers a mix of steady climbs and scenic descents, providing beautiful views of the surrounding landscape. Another option is the Jamestown via Old Stage, Lefthand Canyon, and Lee Hill Drive from Pearl Street loop, which is a moderate 28.6-mile ride.

Are there any easy or family-friendly road cycling routes?

For an easier ride, the Boulder Reservoir loop via 63rd Street, Niwot Road, and 36 from Pearl Street is an excellent choice. This 20.9-mile easy route leads through rolling terrain and past the Boulder Reservoir, typically completed in about 1 hour 26 minutes. The Boulder Creek Path also offers a scenic and continuous path through town, perfect for less strenuous rides.

What natural features or landmarks can I see along the road cycling routes?

Boulder's routes often feature stunning natural beauty. You can ride past iconic sandstone formations like the Flatirons, enjoy views from overlooks such as Davidson Mesa Overlook, or cycle near water bodies like the Boulder Reservoir and Twin Lakes. The region is also home to various trails like Cottonwood Trail and Cradleboard Trail.

What is the best time of year to go road cycling in Boulder?

Boulder's mild climate generally extends the cycling season, allowing enthusiasts to enjoy the outdoors almost year-round. However, spring and fall often offer the most pleasant temperatures and vibrant scenery. While some paths are cleared quickly after snowfall, the best conditions for road cycling are typically outside of deep winter.

How do other road cyclists rate the routes in Boulder?

The road cycling routes in Boulder are highly regarded by the komoot community, with an impressive average score of 4.7 stars from over 100 reviews. More than 8,000 road cyclists have used komoot to explore Boulder's varied terrain, often praising the diverse challenges and scenic beauty.

Are there any long-distance road cycling routes available?

For those seeking a longer ride, the Hygiene and Carter Lake loop from Pearl Street is a challenging 72.8-mile route. This ride takes you along the Colorado Rockies front range, offering extensive views and a significant workout.

What kind of terrain should I expect on Boulder's road cycling routes?

You can expect a mix of terrain. Many routes feature well-paved roads with generous shoulders, especially on classic loops like North 63rd Street. However, routes venturing into the canyons and mountains will involve steep, winding ascents and descents, often with significant elevation changes. The region's proximity to the Rocky Mountains means you'll encounter everything from rolling hills to challenging mountain passes.

Are there any specific climbs that are popular among road cyclists?

Yes, Boulder is famous for its challenging climbs. Lee Hill Drive Climb is a well-known ascent, often included in longer loops. Flagstaff Mountain Road also offers a steep and winding climb near the iconic Flatirons, providing a memorable experience close to downtown Boulder.

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