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Running trails & routes
United States
Colorado
Boulder County
Boulder

Boulder Valley Ranch Loop

Moderate

3.2

(25)

82

runners

Boulder Valley Ranch Loop

01:09

10.6km

120m

Running

The Boulder Valley Ranch Loop offers a moderate jogging experience across 6.6 miles (10.6 km) with a gentle 408 feet (124 metres) of elevation gain. You can expect to complete this route in about 1 hour and 9 minutes, enjoying open grasslands and views of the Boulder County foothills. As…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Boulder Open Space and Mountain Parks

Waypoints

A

Start point

Parking

Get Directions

1

573 m

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

2

6.73 km

Mesa Reservoir

Highlight • Lake

The trails around the reservoir are dirt doubletrack with great views out to the Flatirons. There are lots of branching trails here to explore with no fear of getting lost.

Tip by

3

9.39 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

B

10.6 km

End point

Parking

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Way Types & Surfaces

Way Types

10.2 km

342 m

Surfaces

9.13 km

1.38 km

< 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 (1,690 m)

Lowest point (1,590 m)

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Weather

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Today

Wednesday 19 August

31°C

14°C

56 %

Additional weather tips

Max wind speed: 13.0 km/h

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Frequently Asked Questions

What is the terrain like on the Boulder Valley Ranch Loop?

The trail features mostly flat to gently rolling terrain, making it suitable for a relaxed jog. It's largely considered easy-going, flat, and wide with a smooth dirt surface. However, be aware that bike and horse traffic can sometimes create ruts, especially after rain; joggers might find smoother sections along the edges.

Is this trail suitable for beginners or advanced runners?

The Boulder Valley Ranch Loop is generally considered an easy and pleasant loop, suitable for most fitness levels, including beginners. It's described as 'very runnable' with minimal elevation gain. For advanced runners looking for a longer challenge, it can be seamlessly connected with the Boulder Reservoir loop for a run of approximately 10 miles.

What kind of wildlife and natural features can I expect to see?

You can enjoy beautiful open grassland views, vistas of the Boulder County foothills, and the Flatirons. You'll pass a working ranch with horses and may spot prairie dogs, various wildlife, and seasonal wildflowers. A unique feature is the path next to a historic 1862 farmer's irrigation ditch, which offers a rare patch of shade. Keep an eye out for rattlesnakes during summer months.

Are there any specific viewpoints or landmarks along the route?

Yes, the route offers great views of the Boulder County foothills and the iconic Flatirons. You'll also pass by the working Boulder Valley Ranch, and get glimpses of Mesa Reservoir and Boulder Valley Ranch Pond.

What is the best time of year to jog this loop?

The trail is open year-round. Due to its lack of tree coverage, it can be very hot during midday in the summer. However, it dries out quickly after snowstorms, making it a popular destination for winter running. Spring and fall offer pleasant temperatures and beautiful scenery with wildflowers or changing foliage.

Where can I park, and is there public transport access?

Parking is available at the trailhead, but it can be challenging during peak hours, especially on weekends. While specific public transport details are not provided, Boulder has a comprehensive bus system (RTD) that may offer routes near the ranch. It's advisable to check the RTD website for current schedules and stops.

Are dogs allowed on the Boulder Valley Ranch Loop?

Yes, the trail is dog-friendly. However, all dogs must be kept on a leash, and owners are responsible for cleaning up after their pets. Please respect all posted signage regarding dog regulations within the Boulder Open Space and Mountain Parks system.

Do I need a permit or pay an entrance fee for this trail?

The Boulder Valley Ranch Loop is part of the Boulder Open Space and Mountain Parks system. Generally, there are no entrance fees or permits required for day use on these trails. However, specific activities or group events might require permits, so it's always best to check the official Boulder Open Space and Mountain Parks website for the most up-to-date regulations.

Does the trail intersect with other well-known paths?

Yes, the route primarily follows the Boulder Valley Ranch Trails and Boulder Valley Ranch, but it also passes through sections of the Eagle Trail, Hidden Valley Trail, Sage Trail, Cobalt Trail, Mesa Reservoir Trail, Shale Trail, Kelso Road, Left Hand Trail, Degge Trail, and North Rim Trail.

Is the Boulder Valley Ranch Loop family-friendly?

Absolutely! This trail is considered kid-friendly due to its generally easy and flat terrain. The opportunity to see a working ranch, prairie dogs, and wildflowers can make it an engaging experience for families. There are also benches placed every half mile on the main loop for convenient rest stops.

What should I bring for a jog on this trail?

Given the trail's exposure to the sun, especially in summer, it's crucial to bring plenty of water, sunscreen, and a hat. Comfortable jogging shoes are a must. While there are benches, consider bringing snacks if you plan a longer run, especially if combining it with the Boulder Reservoir loop. Always carry your phone for emergencies and to capture the scenic views.

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