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Hiking trails & Routes
United States
Colorado
Hinsdale County

Colorado Trail: Segment 21

Hard

4.7

(2102)

18,469

hikers

Colorado Trail: Segment 21

07:42

23.4km

1,170m

Hiking

Embark on a challenging high-altitude adventure with Colorado Trail: Segment 21, a difficult hike spanning 14.5 miles (23.4 km). You will gain a significant 3824 feet (1166 metres) in elevation, requiring approximately 7 hours and 41 minutes to complete. The route takes you through dynamic landscapes, from lush forests to…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Spring Creek Pass

Highlight • Mountain Pass

There is a camping area with a picnic table and restrooms at the trailhead. The pass sits at over 10,800 feet and provides access to both the Colorado Trail and …

Tip by

1

2.79 km

Edge of Snow Mesa

Highlight • Viewpoint

Hikers on the Colorado Trail will traverse the Snow Mesa, a long, flat mesa with lots of exposure on top. This point is the edge that drops down into Spring …

Tip by

2

5.23 km

View of the San Juan Mountains

Highlight • Viewpoint

3

7.89 km

Willow Creek

Highlight • River

4

8.33 km

Small lake

Highlight • Lake

5

10.2 km

Small saddle

Highlight • Mountain Pass

This is one of a few exposed saddles in the area along the CT/CDT with great views, a steep grade, and a short ascent.

Tip by

6

11.3 km

High point

Highlight • Summit

7

14.3 km

8

14.3 km

Saddle

Highlight • Mountain Pass

9

17.1 km

Middle Mineral Creek

Highlight • River

Mineral Creek is a reliable water source and there are several good campsites in the area.

Tip by

B

23.4 km

End point

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Way Types & Surfaces

Way Types

23.4 km

Surfaces

22.6 km

741 m

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Elevation

Elevation

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Weather

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Today

Sunday 10 May

13°C

-3°C

0 %

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Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike Colorado Trail: Segment 21?

The Colorado Trail: Segment 21 is approximately 14.5 miles (23.4 km) long. While it can be completed in a single day, with an estimated hiking time of 6-8 hours, many hikers choose to camp along the way due to its challenging nature and significant elevation changes. The total duration for the komoot tour is around 7 hours and 42 minutes.

What is the terrain like on Colorado Trail: Segment 21?

The terrain on this segment is highly varied and challenging. You'll experience transitions from lush forests and wildflower meadows to vast expanses of high tundra, particularly the 3.3-mile stretch across Snow Mesa. The trail is largely above the treeline, offering panoramic views but also significant exposure. Expect a mix of gradual and steeper inclines, undulating 'rollers', and descents into aspen groves. The high point can reach up to 12,872 feet.

Is Colorado Trail: Segment 21 suitable for beginners?

Colorado Trail: Segment 21 is generally rated as difficult. It involves significant elevation changes, high altitudes (mostly above 10,000 feet), and exposed sections. While considered 'remarkably doable' with proper preparation, it's not recommended for beginners. Hikers should have experience with strenuous, high-altitude treks and be prepared for quickly changing weather conditions.

What are the main highlights and viewpoints along the route?

This segment offers breathtaking high-altitude scenery. Key highlights include Spring Creek Pass, the expansive Edge of Snow Mesa with its unobstructed views, and a stunning View of the San Juan Mountains. You'll also pass by Willow Creek and a Small lake, and traverse several high points and saddles offering incredible vistas.

What is the best time of year to hike Colorado Trail: Segment 21?

The best time to hike this segment is typically from late June through September, after the snow has melted and before the first significant autumn snowfalls. During this period, wildflowers are often abundant, and the weather is generally more stable, though afternoon thunderstorms are common and hikers should always be prepared for quickly changing conditions at high altitudes.

Is Colorado Trail: Segment 21 dog-friendly?

Yes, this segment of the Colorado Trail is suitable for dogs. There are plentiful water sources along the way, which is beneficial for both hikers and their canine companions. Always ensure your dog is on a leash and that you pack out all waste.

How do I access the trailhead for Colorado Trail: Segment 21?

The segment connects San Luis Pass to Spring Creek Pass Trailhead. Access to the trailhead at San Luis Pass is not directly by standard vehicle; it often requires a 4WD vehicle to a nearby point, followed by a hike to the pass itself. Spring Creek Pass is a more accessible point and a common access point for thru-hikers to hitch into Lake City for resupply.

Are there any permits or fees required for hiking Colorado Trail: Segment 21?

Colorado Trail Segment 21 passes through the La Garita Wilderness. While there are generally no permits required for day hiking or backpacking on the Colorado Trail itself, standard wilderness regulations apply. There are no entrance fees for accessing this part of the trail. Always practice Leave No Trace principles.

What wildlife might I encounter on the trail?

Hikers on this segment may spot various local wildlife, including deer, elk, and foxes. The high-alpine environment also supports a variety of bird species. Remember to observe wildlife from a distance and never feed animals.

Does Colorado Trail: Segment 21 intersect with other well-known paths?

Yes, the route is part of the larger Colorado Trail and the CDT - Colorado Section. It also overlaps with significant portions of the Continental Divide National Scenic Trail, offering a truly immersive experience on some of America's most iconic long-distance routes.

What should I pack for a hike on this segment?

Given the high altitude and exposed sections, especially on Snow Mesa, it's crucial to pack for quickly changing weather. Essential items include layers of clothing (even in summer), rain gear, sun protection (hat, sunglasses, sunscreen), plenty of water, high-energy snacks, a map and compass/GPS, and a first-aid kit. Starting early in the morning is recommended to avoid afternoon thunderstorms.

Nearby routes

Hard

17

Colorado Trail: Segment 21

07:42h

23.4km

1,170m

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