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Routes
Running trails & routes
United States
Colorado
Park County

Colorado Trail and West Jefferson Trail Loop

Routes
Running trails & routes
United States
Colorado
Park County

Colorado Trail and West Jefferson Trail Loop

Hard

4.8

(5063)

17,070

runners

Colorado Trail and West Jefferson Trail Loop

02:46

21.1km

710m

Running

If you are looking for a challenging jogging experience, the Colorado Trail and West Jefferson Trail Loop offers a difficult 13.1-mile (21.1 km) journey. You will gain 2326 feet (709 metres) in elevation, which typically takes about 2 hours and 45 minutes to complete. Expect varied and rugged terrain, especially…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

21.1 km

Jefferson Lake

Highlight • Lake

A gravel road leads to this lake where it is pleasant to swim.

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B

21.1 km

End point

Parking

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Way Types & Surfaces

Way Types

15.6 km

5.41 km

143 m

Surfaces

15.6 km

5.41 km

143 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 (3,050 m)

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Weather

Powered by Foreca

Wednesday 8 July

21°C

8°C

61 %

Additional weather tips

Max wind speed: 12.0 km/h

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Frequently Asked Questions

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

You can typically find parking near the trailheads that lead to this loop. Given its proximity to the Jefferson Lake Recreation Area and Jefferson Creek Campground, these areas often serve as access points. Always check local signage for specific parking regulations and availability.

Is this loop trail dog-friendly?

Yes, the Colorado Trail and West Jefferson Trail Loop is generally dog-friendly. However, as it's located within the Pike National Forest, it's crucial to follow all forest regulations, which typically include keeping your dog on a leash and practicing Leave No Trace principles. Always pack out any waste.

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

The best time to jog this loop is typically during the late spring, summer, and early fall months. During these periods, the snow has usually melted, and the weather is more favorable. Be aware that sections of the trail ascend above the treeline, so conditions can change rapidly, and early or late season visits might encounter snow or colder temperatures.

Are there any permits or fees required for the trail?

The Colorado Trail and West Jefferson Trail Loop is located within the Pike National Forest. While there isn't a specific permit required for jogging the trail itself, some areas within the National Forest, such as developed recreation sites like the Jefferson Lake Recreation Area, may have day-use fees. It's always a good idea to check the USDA Forest Service website for the Pike-San Isabel National Forest for the most current information on fees and regulations.

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

The terrain on this loop is quite varied and often rugged. The West Jefferson Trail portion is particularly challenging, featuring abundant rocks and roots, tight switchbacks, and occasional creek crossings. You'll experience high alpine sections above the treeline, as well as forested areas. Expect significant climbs and descents throughout the route.

What kind of views and points of interest can I expect along the way?

This loop offers breathtaking views, especially as you ascend above the treeline. You can expect vistas of Georgia Pass, Mount Guyot, and Glacier Peak. A notable point of interest is Jefferson Lake, which is near the starting point of the loop. The trail also follows Jefferson Creek for a portion, adding to the scenic beauty.

How difficult is this loop for jogging?

This loop is considered difficult for jogging. The varied and rugged terrain, especially on the West Jefferson Trail, with its rocks, roots, and tight switchbacks, combined with significant elevation changes, makes it a challenging route. It's best suited for experienced joggers looking for a strenuous workout.

Does the loop intersect with other well-known paths?

Yes, the route integrates sections of the renowned Colorado Trail and the West Jefferson Trail. Specifically, you'll be jogging on parts of the Colorado Trail (including segments like Colorado Trail segment 7 and Colorado Trail (Segment 6)) and the West Jefferson Trail. There's also a small portion that touches the Jefferson Lake Loop.

What should I bring for a jog on this trail?

Given the trail's difficulty and high alpine sections, it's wise to bring plenty of water, appropriate layers for changing weather, navigation tools (like a GPS device or the komoot app), snacks, sun protection, and basic first-aid supplies. Sturdy trail running shoes with good grip are highly recommended due to the rocky and rooted terrain.

Are there any towns or facilities nearby?

The loop is located near Jefferson, Colorado. While Jefferson is a small community, it may offer limited services. For more extensive facilities, you might need to travel to larger nearby towns. The area is also close to the Jefferson Lake Recreation Area and Jefferson Creek Campground, which may offer some basic amenities.

Is there a recommended direction to jog the loop?

While the trail can be jogged in either direction, some find that tackling the more technical and steep sections of the West Jefferson Trail on the ascent can be preferable, allowing for a more gradual descent on the Colorado Trail portion. Consider your comfort level with technical descents when choosing your direction.

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