Boulder Reservoir – Boulder Reservoir loop from Coot Lake

Running trails & routes

Boulder Reservoir – Boulder Reservoir loop from Coot Lake

Moderate

4.7

(5021)

16,679

runners

Boulder Reservoir – Boulder Reservoir loop from Coot Lake

01:34

15.0km

90m

Running

Moderate run. Good fitness required. Mostly paved surfaces. The starting point of the route is right next to a parking lot.

Last updated: November 3, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

Start point

Parking

Get Directions

73 m

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).

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1.06 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.

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2.60 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 …

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4.26 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 …

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8.07 km

Boulder Valley Ranch Trailhead

Highlight • Parking

There is a sizable packed gravel parking lot here with bathrooms and access to a host of trails.

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10.3 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 …

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10.9 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.

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