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Hiking trails & Routes
United States
Colorado
Larimer County

Swan Johnson, Sawmill, and Shoreline Trail Loop

Routes
Hiking trails & Routes
United States
Colorado
Larimer County

Swan Johnson, Sawmill, and Shoreline Trail Loop

Moderate

4.9

(5159)

8,305

hikers

Swan Johnson, Sawmill, and Shoreline Trail Loop

03:46

12.5km

320m

Hiking

Hike the moderate 7.8-mile Swan Johnson, Sawmill, and Shoreline Trail Loop in Horsetooth Mountain Open Space, gaining 1058 feet.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

4.53 km

Stout Trail

Highlight • Trail

B

12.5 km

End point

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Way Types & Surfaces

Way Types

7.77 km

4.57 km

129 m

< 100 m

Surfaces

11.5 km

696 m

117 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 (1,900 m)

Lowest point (1,660 m)

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Weather

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Today

Wednesday 15 July

33°C

14°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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Frequently Asked Questions

What is the estimated duration to complete the Swan Johnson, Sawmill, and Shoreline Trail Loop?

The estimated duration for this hike is approximately 3 hours and 46 minutes. This is based on an average hiking pace and does not include extended stops for breaks or sightseeing.

What is the difficulty level of this route?

This loop is rated as moderate. While some sections might be relatively easy, the overall length of over 12.5 km and an elevation gain of approximately 322 meters suggest it requires a reasonable level of fitness. Hikers should be prepared for varied terrain, including potential inclines and declines.

What kind of terrain can I expect on the trail?

Given its name, you can expect a diverse landscape. Sections resembling 'Sawmill Loop' trails often feature mixed forests, possibly with historical elements like old mill remnants or stone walls, and may follow creeks. 'Shoreline Trail' sections will likely run alongside a body of water, offering expansive views and potentially including packed dirt, gravel, or rocky areas. The route also incorporates parts of the Nomad Trail, Shoreline Trail, Loggers Trail, and Sawmill Trail, suggesting a mix of these characteristics.

Are there any specific landmarks or viewpoints along the way?

Yes, a notable highlight along this route is the Stout Trail. Additionally, sections of the trail that follow a shoreline will likely offer panoramic views of the water and surrounding landscapes. Forested areas may reveal historical features or natural beauty along creeks.

Is the Swan Johnson, Sawmill, and Shoreline Trail Loop dog-friendly?

Yes, the trails within Horsetooth Mountain Open Space are generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure the safety of other visitors. Please remember to pack out all pet waste.

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

The best time to hike this loop typically depends on local weather patterns. Spring and fall often offer pleasant temperatures and beautiful scenery, with wildflowers in spring and colorful foliage in autumn. Summer can be hot, so an early start is recommended. Winter hiking is possible, but be prepared for snow and ice, especially on shaded or higher elevation sections.

Do I need a permit or is there an entrance fee for Horsetooth Mountain Open Space?

Yes, Horsetooth Mountain Open Space, where this trail is located, requires a parking permit or entrance fee. You can typically purchase daily permits at the trailhead or an annual pass for frequent visits. Check the official Larimer County Natural Resources website for the most current fee information and purchasing options.

Where can I park to access the trailhead?

Access to the Swan Johnson, Sawmill, and Shoreline Trail Loop would typically be from one of the main trailheads within Horsetooth Mountain Open Space. Popular access points include the Horsetooth Mountain Open Space Trailhead or the Soderberg Open Space Trailhead, both of which offer parking facilities. Be aware that parking lots can fill up quickly, especially on weekends and holidays.

Does this route intersect with other trails?

Yes, this loop is a composite route that utilizes sections of several official trails. You will find yourself on parts of the Nomad Trail, Shoreline Trail, Loggers Trail, and Sawmill Trail as you complete the loop.

What kind of wildlife might I encounter?

The diverse habitats along this route, from forests to potential wetlands and shorelines, can support various wildlife. Common sightings might include deer, various bird species, and smaller mammals. Always observe wildlife from a distance and avoid disturbing their natural environment.

Is this trail suitable for families with children?

Given its 'moderate' difficulty rating and length of over 12.5 km, this loop might be challenging for very young children or those unaccustomed to longer hikes. However, active families with older children who have some hiking experience may find it enjoyable. Consider the fitness level of all participants before attempting the full loop.

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