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Routes
Mountain biking trails
United States
Colorado
Boulder County
Gunbarrel

Boulder Reservoir – Boulder Reservoir loop from 63rd St & Twin Lakes Rd

Routes
Mountain biking trails
United States
Colorado
Boulder County
Gunbarrel

Boulder Reservoir – Boulder Reservoir loop from 63rd St & Twin Lakes Rd

Easy

3.2

(11)

97

riders

Boulder Reservoir – Boulder Reservoir loop from 63rd St & Twin Lakes Rd

01:38

24.5km

130m

Mountain biking

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 24, 2026

Tips

Cycling is not permitted along parts of this route

After 19.3 km for 197 m

After 22.7 km for 194 m

Waypoints

A

Start point

Bus stop

Get Directions

1

5.61 km

Boulder Reservoir

Highlight • Lake

With lakeside trails and far-reaching views of the foothills, cycling alongside Boulder Reservoir is wonderful. The traffic-free trails are great for families, group rides and solo expeditions. There are plenty of great picnic spots too, should you need a break.

Tip by

2

7.15 km

Boulder Reservoir

Highlight • Lake

Boulder Reservoir is sustained by two interconnecting dam walls. The water is open to fishing and swimming (in certain areas), and the trails around the lake are used heavily by …

Tip by

3

8.81 km

51st Street

Highlight (Segment) • Cycleway

This section of 51st Street from the main Boulder Reservoir parking area to the Eagle Trail Trailhead (which is also where 51st turns into 55th street) is a fun section …

Tip by

4

14.8 km

Boulder Valley Ranch Pond

Highlight • Lake

The Boulder Valley Ranch Pond is one of two bodies of water within Boulder Valley Ranch (the other is Mesa Reservoir). This smaller reservoir has a beautiful mountain backdrop and …

Tip by

5

15.4 km

Boulder Valley Ranch

Highlight • Trail

The area of Boulder Valley Ranch is part of the Boulder Mountain Parks and offers natural trails over gentle hills. While you'll follow trails on your run, you'll get really nice views of the Rockies.

Tip by

6

19.3 km

Coot Lake: Water Access and Picnic Areas

Highlight (Segment) • Lake

There are multiple picnic and bench areas around Coot Lake, but this particular stretch offers options with shade and access to the edge of the water. Dogs are only allowed to swim from certain shores (there is adequate signage).

Tip by

B

24.5 km

End point

Bus stop

Loading

Way Types & Surfaces

Way Types

7.26 km

6.84 km

6.00 km

2.84 km

1.39 km

< 100 m

Surfaces

9.51 km

6.57 km

4.32 km

3.49 km

478 m

< 100 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 (1,630 m)

Lowest point (1,560 m)

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Weather

Powered by Foreca

Thursday 9 July

31°C

15°C

77 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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