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Hiking trails & Routes
United States
Colorado
Larimer County

North Fork Trail

Moderate

3.3

(4)

68

hikers

North Fork Trail

02:33

8.21km

490m

Hiking

Hike the moderate 5.1-mile North Fork Trail in Roosevelt National Forest, featuring river valleys, wildflowers, and mountain views.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start of North Fork Trail

Highlight • Trail

The North Fork Trail starts just off Dunraven Glade Road. There is a gravel parking lot with room for about 25 cars and a vault toilet. The North Fork Trail follows the North Fork of the Big Thompson River and crosses through the Comanche Peak Wilderness and into Rocky Mountain National Park.

Tip by

1

7.76 km

Kettle Tarn is a small lake right at the far northeastern edge of Rocky Mountain National Park. There are also several named backcountry campsites near the lake and along the trail that are popular with backpackers exploring this more remote region of the park.

Tip by

B

8.21 km

End point

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Way Types & Surfaces

Way Types

8.21 km

< 100 m

Surfaces

8.13 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 (2,820 m)

Lowest point (2,340 m)

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Weather

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Today

Thursday 2 July

24°C

4°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

Where does the North Fork Trail start and is parking available?

The trail begins at the Start of North Fork Trail, often accessed via the Dunraven Trailhead. Parking availability can vary, especially during peak seasons, so it's advisable to arrive early.

What is the terrain like on this hiking route?

The trail leads through a forested river valley, following the scenic canyon of the North Fork Big Thompson River. You'll encounter smooth singletrack through lush pine forests, some stream crossings, and wildflower-dotted meadows. As you gain elevation and enter Rocky Mountain National Park, the tree coverage thins, and the trail becomes more exposed, with some vertical gain.

What natural features or landmarks can I expect to see along the way?

Hikers can enjoy the meditative sound of the running river, towering trees, and meadows filled with wildflowers. As you ascend, you'll get scenic views into the valley and mountain vistas. A notable point along the route is Kettle Tarn Lake and Campsites.

Is the North Fork Trail suitable for beginners?

Rated as 'moderate', the trail can be completed as a challenging day hike. While some sections involve a steady climb, they are generally manageable. The initial miles, especially outside the national park boundary, are relatively flat and relaxing, making it accessible for those looking for a less strenuous start.

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

The trail is beautiful during spring and summer when wildflowers are abundant. Fall offers stunning foliage. Winter hiking is possible but requires appropriate gear and awareness of snow and ice conditions. Always check local weather and trail conditions before heading out.

Is the North Fork Trail dog-friendly?

Regulations regarding dogs can vary, especially as parts of the trail enter Rocky Mountain National Park. Generally, dogs are permitted on leash in Roosevelt National Forest areas, but often not allowed on trails within RMNP. It's crucial to check the specific rules for each section you plan to hike to ensure compliance.

Do I need a permit or pay an entrance fee for the North Fork Trail?

The North Fork Trail starts in Roosevelt National Forest, which typically does not require an entrance fee. However, as the trail ascends and enters Rocky Mountain National Park, park entrance fees and potentially timed entry permits may apply depending on the season and time of day. Always verify current RMNP regulations before your visit.

What regulations should I be aware of when hiking in this area?

When hiking in Roosevelt National Forest and Rocky Mountain National Park, follow Leave No Trace principles. This includes packing out all trash, staying on marked trails, and respecting wildlife. Be aware of fire restrictions, especially during dry periods. Specific rules regarding camping, campfires, and pets apply in different zones, so consult official park and forest service websites.

Are there options for camping along the North Fork Trail?

Yes, the trail is popular due to its numerous designated dispersed campsites, making it suitable for spontaneous overnight stays. These are often found along the river valley. Always follow Leave No Trace principles and check for any specific camping regulations or permits required for dispersed camping in the area.

Does the North Fork Trail connect to other hiking routes?

Yes, the trail connects to several other trails within Rocky Mountain National Park, offering opportunities for longer expeditions. The route also passes through sections of the North Fork Trail and the North Fox Trail.

What kind of wildlife might I encounter on the trail?

Given its location in a forested river valley and proximity to Rocky Mountain National Park, you might spot various wildlife. Common sightings can include deer, elk, and a variety of bird species. Always maintain a safe distance and never feed wild animals.

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