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Routes
Hikes
Larimer County

Horsetooth Mountain Open Space

Routes
Hikes
Larimer County

Horsetooth Mountain Open Space

The best dog-friendly hikes and walks in Horsetooth Mountain Open Space

4.9

(50)

2,076

hikers

4

hikes

Dog friendly hiking trails in Horsetooth Mountain Open Space are located west of Fort Collins, Colorado, offering a diverse landscape for outdoor activities. The area spans 2,711 acres with elevations ranging from 5,430 to 7,255 feet, characterized by rocky outcrops, shrublands, and seasonal streams. Notable natural features include Horsetooth Rock and Horsetooth Falls, providing varied terrain for hikers and their dogs. The open space features 29.5 miles of well-marked trails, connecting to adjacent networks like the Blue Sky Trail.

Best…

Last updated: June 26, 2026

17

hikers

#1.

Pineridge and Dixon Reservoir Loop

10.9km

02:52

80m

80m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

9

hikers

8.84km

02:16

30m

30m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Tips from the Community

jon4aday
September 3, 2025, Spring Creek Trail

The Spring creek trail is beautiful and peacefull

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Lisa
June 18, 2025, Dixon Reservoir

This little reservoir is dwarfed by the nearby Horsetooth Reservoir. Still, Dixon is a fun destination in its own right with a non-motorized boat launch and some easy mountain biking trails. There is also good fishing here (check local regulations).

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Andrus
September 13, 2024, Spring Creek Trail

This 9-mile trail follows its namesake creek through Fort Collins. Along the way it passes through neighborhoods and parks. It's a great way to traverse the city between its east and west sides.

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Jamie S.
December 21, 2023, Dixon Reservoir

The Dixon Reservoir is a small body of water at the base of the foothills below Horsetooth Reservoir surrounded by a protected Natural Area. The reservoir is a great fishing spot where many fish are stocked annually including pumpkinseed sunfish, bluegill, bass, channel catfish, black crappy, and grass carp.

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The Pineridge Natural Area offers a handful of hiking trails and its own lake (Dixon Reservoir) on the eastern banks of the super popular Horsetooth Reservoir. You can connect to the Fossil Creek Trail using the trails on the property in case you want to stretch out your walk a few more miles.

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Pineridge Natural Area is a picturesque nature preserve located in Fort Collins. The area is characterized by rolling hills, diverse plant life, and scenic landscapes. The area offers a tranquil escape into Colorado's beautiful nature and serves as a great spot for jogging.

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Spring Canyon Park is nestled at the base of the foothills below Horsetooth Reservoir between Taft Hill Road and Overland Trail Road. There are numerous paved trails around the park, which can be accessed via the popular Spring Creek Trail. There are an array of amenities including: a mountain bike course, lighted tennis courts, sports fields, playgrounds, picnic shelters, and restrooms at this dog-friendly park.

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Jamie S.
August 1, 2023, Dixon Reservoir

The Dixon Reservoir is a small body of water at the base of the foothills below Horsetooth Reservoir surrounded by a protected Natural Area. The reservoir is a great fishing spot where many fish are stocked annually including pumpkinseed sunfish, bluegill, bass, channel catfish, black crappy, and grass carp. In addition to fishing, you can swim at a small beach on its northwestern shore, take out non-motorized boats, and hike around the reservoir on an attractive 1.8 mile loop, which links up with other trails in the Pineridge Natural Area.

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Frequently Asked Questions

How many dog-friendly hiking trails are available in Horsetooth Mountain Open Space?

Horsetooth Mountain Open Space offers a variety of dog-friendly hiking experiences. Our guide features 3 curated routes, ranging from easy strolls to more challenging treks, ensuring there's something for every dog and owner to enjoy.

What are the dog regulations for hiking in Horsetooth Mountain Open Space?

Dogs are welcome in Horsetooth Mountain Open Space, but they must be kept on a leash no longer than six feet at all times. Please remember to clean up after your pet to help maintain the natural beauty of the area for all visitors. Always carry enough water for both yourself and your dog, especially on longer trails.

Are there any easy dog-friendly trails suitable for families or older dogs?

Yes, for a relatively easy and pleasant walk, consider the Spring Canyon Park loop from Pineridge Natural Area. This route offers a gentle elevation gain and is perfect for a relaxed outing with your dog and family.

What notable landmarks or natural features can I see with my dog in Horsetooth Mountain Open Space?

While some iconic features like Horsetooth Rock involve more strenuous climbs, you can still enjoy the natural beauty of the area. The seasonal Horsetooth Falls are a popular spot, especially in late spring when snowmelt increases their flow. The open space itself offers diverse landscapes, from rocky outcrops to shrublands, and is known for its wildlife and colorful wildflower displays from April through June.

Are there any dog-friendly loop trails in the area?

Yes, the Pineridge and Dixon Reservoir Loop is a moderate, dog-friendly option that allows you to experience varied scenery without retracing your steps. It's a great way to explore the area with your canine companion.

When is the best time of year to go hiking with my dog in Horsetooth Mountain Open Space?

Spring (April-June) is particularly beautiful due to the vibrant wildflower displays and the more impressive flow of Horsetooth Falls. Fall also offers pleasant temperatures and scenic foliage. Summers can be hot, so early morning or late afternoon hikes are recommended. Winter hiking is possible, but be prepared for snow and ice, and check trail conditions beforehand.

What do other hikers enjoy most about dog-friendly trails in Horsetooth Mountain Open Space?

The komoot community highly rates the trails in Horsetooth Mountain Open Space, with an average score of 4.95 stars. Reviewers often praise the well-maintained paths, the diverse scenery, and the opportunity to enjoy nature with their dogs. The accessibility from Fort Collins is also frequently highlighted as a major plus.

Are there any longer dog-friendly routes for a more extended adventure?

For a longer outing, consider the Pineridge and Dixon Reservoir Loop, which covers over 10 km. Another good option for a decent length walk is the Spring Creek Trail, offering nearly 9 km of dog-friendly path.

Is parking available for dog-friendly trails, and are permits required?

Yes, parking is available at various trailheads within Horsetooth Mountain Open Space. A daily or annual permit is required to access the open space. For detailed information on permits and fees, please visit the Larimer County Natural Resources website: larimer.gov.

Are there any less crowded dog-friendly trails or times to visit?

To avoid crowds, especially on weekends, consider visiting during weekday mornings or late afternoons. While specific 'hidden gems' are hard to guarantee, trails further from the main Horsetooth Rock access points, or those explored during off-peak hours, tend to be quieter. The Spring Creek Trail might offer a more serene experience compared to the more popular Horsetooth Rock or Falls routes.

What should I bring for a dog-friendly hike in Horsetooth Mountain Open Space?

Always bring plenty of water for both yourself and your dog, especially during warmer months. Essential items include a leash (required), waste bags, and appropriate footwear for varied terrain. Depending on the season, consider sun protection, layers of clothing, and perhaps a first-aid kit for minor scrapes.

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