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Routes
Hiking trails & Routes
United States
Colorado
Larimer County

Lory State Park Loop Trail

Hard

3.1

(19)

67

hikers

Lory State Park Loop Trail

06:11

21.2km

540m

Hiking

This difficult 13.2-mile loop in Lory State Park offers challenging hiking, 1760 feet of elevation gain, and panoramic views of Horsetooth R

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

10.1 km

Arthur's Rock Trailhead

Highlight • Parking

The Arthurs Rock Trailhead is located at the very end of Lodgepole Drive. There is a large parking area, trail information, and vault toilets. From this trailhead you can access …

Tip by

11.8 km

Viewpoint

Viewpoint

12.7 km

Arthurs Rock

Peak

4

18.8 km

B

21.2 km

End point

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Way Types & Surfaces

Way Types

14.2 km

7.01 km

< 100 m

Surfaces

21.0 km

190 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 (2,060 m)

Lowest point (1,660 m)

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Weather

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Today

Saturday 9 May

23°C

7°C

13 %

Additional weather tips

Max wind speed: 22.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Lory State Park Loop Trail?

The Lory State Park Loop Trail typically starts near the Arthur's Rock Trailhead. You'll find designated parking areas within Lory State Park. Be aware that parking can fill up, especially on weekends, so arriving earlier in the day is recommended.

Are there any permits or entrance fees required for Lory State Park?

Yes, Lory State Park requires a valid Colorado State Parks pass for entry. You can purchase a daily pass at the park entrance or display an annual pass. This fee helps maintain the park's facilities and trails.

Is this trail suitable for beginners?

The Lory State Park Loop Trail, as mapped on komoot, is rated as difficult due to its 21 km (13 miles) distance and over 500 meters (1,600 feet) of elevation gain. While Lory State Park offers easier options, this specific loop is best suited for experienced hikers with good fitness levels. If you're a beginner, consider shorter, less strenuous loops within the park like the South Valley Loop or Well Gulch Nature Trail.

What is the terrain like on this loop trail?

The terrain on this loop is quite varied, encompassing forested mountainsides, open meadows, and shrubby hillsides. You'll encounter a mix of dry drainages, Ponderosa pine and fir forests at higher elevations, and areas with rock outcroppings. Some sections can be quite steep, though most inclines are generally manageable.

What notable landmarks or viewpoints will I see along the route?

This route offers several scenic highlights. You'll experience panoramic views of Horsetooth Reservoir, especially from points like the View of Horsetooth Reservoir from Lory State Park. The trail also passes by prominent granite formations, including Arthur's Rock, which is a significant landmark within the park.

What kind of wildlife or plants might I encounter?

Lory State Park is home to diverse wildlife, including mule deer, coyotes, raccoons, and various bird species. You might also spot raptors soaring overhead. The plant life varies from montane coniferous forests to foothills shrub and grassland communities. In spring, wildflowers can dot the slopes, and in the fall, aspens turn golden.

Is the Lory State Park Loop Trail dog-friendly?

Yes, dogs are generally allowed on trails in Lory State Park, but they must be kept on a leash at all times. Please remember to pack out all pet waste to help keep the park clean and enjoyable for everyone.

What is the best time of year to hike this trail?

The trail is generally accessible year-round. Spring offers wildflowers and pleasant temperatures, while fall brings beautiful golden aspens. Summer can be hot, so an early start is advisable. Winter hiking is possible, but some sections may require microspikes due to ice or snow.

Does this route intersect with other trails in Lory State Park?

Yes, this extensive loop utilizes several official trails within Lory State Park. You will hike sections of the Timber Trail, Arthur's Rock Trail, and East Valley Trail, among others, as you navigate the park's diverse landscape.

Is water available on the trail, and what amenities are nearby?

There is no potable water directly available along the entire 21 km loop, so it's crucial to carry enough water for your entire hike. Lory State Park has restrooms at trailheads. For additional amenities like cafes, pubs, or accommodation, you'll find plenty of options in nearby Fort Collins, just a short drive away.

Are there any specific considerations for navigating the many loops in Lory State Park?

Lory State Park has a complex network of trails. While this komoot tour provides a specific route, it's always a good idea to carry a map or use a GPS device to stay on track, especially since many trails are multi-use and can be shared with mountain bikers and horseback riders. Pay attention to signage to ensure you follow the intended loop.

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