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Routes
Road cycling routes
United States
Colorado
Boulder County
Boulder

Boulder Canyon to Baker Reservoir in Nederland

Routes
Road cycling routes
United States
Colorado
Boulder County
Boulder

Boulder Canyon to Baker Reservoir in Nederland

Hard

4.9

(6807)

19,515

riders

Boulder Canyon to Baker Reservoir in Nederland

03:46

48.6km

1,000m

Road cycling

This difficult 30.2-mile road cycling route climbs 3277 feet through scenic Boulder Canyon to Barker Reservoir, offering stunning views.

Last updated: February 26, 2026

Tips

The surface along some of this route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 3.02 km for 2.21 km

After 43.1 km for 2.21 km

Waypoints

A

Start point

Parking

Get Directions

1

1.58 km

Boulder Creek Path (Boulder Canyon)

Highlight (Segment) • Cycleway

Although many road cyclists prefer to ride on the narrow, twisting, and well-trafficked road, the recently re-opened Boulder Creek Path, which takes you up to Chapman Drive, is an excellent alternative to what can sometimes be a dangerous-feeling road down the narrow Boulder Canyon. The bike path, which is a mix of concrete and finely-crushed gravel, traverses next to Boulder Creek, crossing under the highway a few times. Sometimes on busy days you can actually move faster on the descent via this path because you're not sitting in traffic with the cars!

Tip by

2

6.59 km

Boulder Canyon Drive

Highlight (Segment) • Climb

After transitioning from the bike path (if you choose to do the initial section of Boulder Canyon Drive on it) the road steadily steepens as you climb up toward Nederland. Please watch out for rocks in the road, cars, and wildlife. Although this is a poplar cycling route, there are lots of cars and frequently no shoulder so be aware of your surroundings when climbing or descending.

Tip by

3

24.1 km

Barker Reservoir

Highlight • Lake

Barker Reservoir is at the top of Boulder Canyon Drive just outside of the small town of Nederland. This is a great place to catch your breath after the long climb up the canyon and snap some photos.

Tip by

B

48.6 km

End point

Parking

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Way Types & Surfaces

Way Types

35.7 km

7.62 km

4.45 km

563 m

294 m

< 100 m

Surfaces

35.6 km

8.54 km

4.44 km

147 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (2,490 m)

Lowest point (1,630 m)

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Weather

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Today

Wednesday 27 May

18°C

12°C

95 %

Additional weather tips

Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the difficulty level of this road cycling route?

This route is considered difficult. It features a continuous, lung-busting climb with sections reaching up to a 10% grade, especially past Boulder Falls. The average grade for the climb is around 3.3%, but there are sustained steep sections. The descent is described as fast and fun, but also a 'white-knuckle experience'.

How long does it typically take to complete this ride?

On average, this 48.6 km (30.2 miles) road cycling route takes about 3 hours and 46 minutes to complete, depending on your pace and stops.

What kind of terrain and road conditions can I expect?

The route primarily follows Boulder Canyon Drive (Highway 119), a shared road with car traffic. You'll encounter a continuous climb alongside Boulder Creek, with twisting roads and towering granite canyon walls. The road surface can include broken concrete and narrow shoulders, which can make for a stressful experience, especially with high traffic.

What are the best times to ride this route to avoid heavy traffic?

To enjoy a more pleasant experience and avoid high traffic volumes, it is highly recommended to ride early in the morning. This route is popular with motorists and rock climbers, making it quite busy later in the day.

What scenic highlights will I see along the way?

You'll experience what is often called the 'most scenic canyon in the area,' with jaw-dropping views of granite cliffs. The route parallels Boulder Creek, and a notable landmark is the 21-meter high Boulder Falls. You'll also pass by the Barker Reservoir (often referred to as Baker Reservoir) and may see snow-covered peaks of the Rocky Mountains in the distance.

Is this route suitable for beginner road cyclists?

No, this route is generally not recommended for beginners due to its difficult rating, continuous steep climbs, and shared road conditions with car traffic. It's considered a 'lung busting climb' and 'not for the fainthearted'.

Where can I park to access this route?

While specific parking areas aren't detailed, the route starts in Boulder and follows Boulder Creek Path (Boulder Canyon) before joining Boulder Canyon Drive. Look for parking options near the start of Boulder Canyon in Boulder.

What is the best time of year to cycle this route?

The best time of year to cycle this route is typically during the warmer months, from late spring through early fall, when the roads are clear of snow and ice. However, be mindful of spring runoff at Boulder Falls and potential afternoon thunderstorms in summer.

Are dogs allowed on this road cycling route?

As this route primarily follows Boulder Canyon Drive (Highway 119), a public road, dogs are generally allowed in vehicles. However, for cycling, it's not a designated dog-friendly trail, and the shared road with traffic makes it unsuitable for cycling with dogs.

Do I need any permits or pay entrance fees for this route?

No, there are no specific permits or entrance fees required to cycle Boulder Canyon Drive (Highway 119) or access the Barker Reservoir area.

Does this route intersect with other trails?

Yes, the route also passes through sections of the Boulder Creek Path, Boulder Canyon Trail, and Betasso Link Trail.

Are there any places to stop for food or drinks near the end of the route in Nederland?

Nederland, being a small mountain town, offers various cafes, pubs, and restaurants where you can refuel after your ride. These establishments are typically found in the town center.

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