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Routes
Mountain biking trails
United States
Colorado
Park County

Colorado Trail and West Jefferson Loop

Hard

4.6

(9090)

9,091

riders

Colorado Trail and West Jefferson Loop

03:49

35.3km

980m

Mountain biking

The Colorado Trail and West Jefferson Loop is a difficult mountain biking route, spanning 22.0 miles (35.3 km) with a substantial 3223 feet (982 metres) of elevation gain. You can expect to spend about 3 hours and 49 minutes on this challenging ride. The trail begins with a climb on…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Pike National Forest

Waypoints

A

Start point

Parking

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1

1.80 km

Colorado Trail Outlook

Highlight • Viewpoint

Here, you'll be treated to awe-inspiring vistas of the scenic mountains and terrain. This is a perfect spot to pause and relax before continuing along the trail.

Tip by

2

12.2 km

High alpine singletrack-fun at its best! This part of the Colorado Trail is flowy and smooth!

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B

35.3 km

End point

Parking

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Way Types & Surfaces

Way Types

35.1 km

247 m

Surfaces

35.1 km

247 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 (3,550 m)

Lowest point (3,000 m)

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Weather

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Today

Monday 25 May

13°C

3°C

58 %

Additional weather tips

Max wind speed: 19.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Colorado Trail and West Jefferson Loop?

The loop offers varied terrain. The Colorado Trail section features rolling singletrack with roots and some technical parts, including three bridges. As you climb, it transitions to high alpine environments and tundra. The West Jefferson Trail, which is the downhill portion, starts across alpine tundra before dropping into dense trees with flowing singletrack, then becomes rocky and chunky with several creek crossings and numerous tight switchbacks.

Is this mountain bike loop suitable for beginners?

No, this loop is generally considered moderate to difficult and is not recommended for beginners. While parts of the Colorado Trail section are more manageable, the West Jefferson Trail is rated as 'blue' (intermediate to advanced) due to its technical downhill sections, rocky terrain, roots, and tight switchbacks. Riders should have good technical skills and be prepared for a significant climb.

Where can I park to access the Colorado Trail and West Jefferson Loop?

The loop typically starts from Kenosha Pass. Parking is available at the Kenosha Pass trailhead, which provides direct access to the Colorado Trail. Arriving early, especially on weekends, is advisable as parking can fill up quickly.

What is the best time of year to mountain bike the Colorado Trail and West Jefferson Loop?

The best time to ride this loop is typically from late spring through early fall, generally June to September. During this period, the snow has usually melted from the higher elevations, and the weather is more stable. Always check local weather forecasts before heading out, as conditions can change rapidly in the high alpine.

Are there any notable viewpoints or landmarks along the route?

Yes, the loop offers stunning high alpine views. A key highlight is the Colorado Trail Outlook, which provides expansive vistas. You'll also ride along a section of the Colorado Trail (between Kenosha & Georgia Pass) and pass near Jefferson Lake, adding to the scenic beauty.

Are dogs allowed on the Colorado Trail and West Jefferson Loop?

Yes, dogs are generally allowed on the Colorado Trail and West Jefferson Loop. However, they must be kept on a leash to protect wildlife and ensure a safe experience for all trail users. Always practice Leave No Trace principles, including packing out all pet waste.

Do I need any permits or pay an entrance fee to ride in Pike National Forest?

Generally, no specific permits are required for day-use mountain biking on this loop within Pike National Forest. There are typically no entrance fees for accessing the forest itself. However, always check the official USDA Forest Service website for the most current regulations, especially if planning overnight stays or specific activities. You can find more information on usda.gov.

Does the loop intersect with other well-known trails?

Yes, the route primarily follows sections of the Colorado Trail, specifically Colorado Trail segment 7 and Colorado Trail (Segment 6). It also incorporates the West Jefferson Trail to form the loop.

What makes the West Jefferson Trail a unique part of this loop?

The West Jefferson Trail is notable as a popular alternative for mountain bikers on the Colorado Trail from Kenosha Pass. It provides approximately 5 miles of technical downhill riding with about 1,500 feet of vertical descent, offering a challenging and fun 'pure Colorado riding' experience. Recent maintenance in 2024 has even optimized its switchbacks for mountain biking.

What should I bring for a mountain bike ride on this loop?

Given the challenging nature and high elevation, you should bring plenty of water, snacks, a repair kit for your bike, appropriate layers of clothing for changing weather, sun protection, and a first-aid kit. A helmet is essential, and knee/elbow pads are recommended for the technical downhill sections.

Are there any less crowded alternatives or nearby trails for mountain biking?

While the Colorado Trail and West Jefferson Loop is popular, especially on weekends, exploring other segments of the Colorado Trail or trails in nearby areas of Pike National Forest might offer less crowded options. However, this specific loop is valued for its unique combination of challenging terrain and scenic beauty.

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