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United States
Colorado
San Miguel County

Ajax Peak and Imogene Pass Loop

Hard

3.4

(21)

41

runners

Ajax Peak and Imogene Pass Loop

03:11

19.0km

1,330m

Running

Challenge yourself on the difficult 11.8-mile Ajax Peak and Imogene Pass Loop, featuring extreme altitude, stunning alpine views, and histor

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Uncompahgre National Forest

Waypoints

A

Start point

Parking

Get Directions
1

1.62 km

View of Bridal Veil Falls and the power plant

Highlight • Viewpoint

The stunning falls rush high above the mountain town of Telluride. At the top of the box canyon you can see a solitary building: the power plant that produces hydroelectricity. …

Tip by

2

6.92 km

Ajax Peak

Highlight • Summit

3

9.81 km

Imogene Pass

Highlight • Mountain Pass

4

13.1 km

Tomboy Ghost Town

Highlight • Historical Site

B

19.0 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.05 km

5.08 km

2.57 km

2.24 km

< 100 m

Surfaces

11.0 km

6.66 km

1.31 km

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Elevation

Elevation
Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

Powered by Foreca

Today

Tuesday 20 October

10°C

-1°C

12 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is jogging the Ajax Peak and Imogene Pass Loop?

This loop is considered extremely difficult for jogging. It features significant elevation changes, steep grades (over 20% in parts), and high altitudes, with Imogene Pass reaching 13,114 feet (3,997 meters). Even participants in the annual Imogene Pass Run often hike significant portions due to the challenging conditions. Exceptional fitness, sure-footedness, and alpine experience are essential.

What is the terrain like on the Ajax Peak and Imogene Pass Loop?

The terrain is very challenging. Much of the route follows the Imogene Pass Road, which is unpaved, steep, rocky, and narrow. You'll encounter switchbacks, rock slabs, and scree-covered slopes. The path to Ajax Peak itself is narrow but well-defined, ascending steeply through meadows and scree. Sturdy shoes with good grip are highly recommended.

How long does it typically take to complete this loop?

While komoot estimates a jogging duration of around 3 hours and 11 minutes, most individuals will find this loop takes considerably longer due to its extreme difficulty, high altitude, and rugged terrain. Many sections will require hiking, even for experienced runners. Plan for a full day, especially if you want to enjoy the views and explore the historical sites.

What are the main points of interest along the route?

The loop offers spectacular alpine scenery and historical sites. Key highlights include breathtaking views of Bridal Veil Falls and the power plant, reaching the summit of Ajax Peak for panoramic vistas, crossing Imogene Pass, and exploring the historic Tomboy Ghost Town. You'll also see other mining ruins and colossal Rocky Mountain peaks.

Where can I park to access the Ajax Peak and Imogene Pass Loop?

Specific parking information for this trailhead is not provided in the available data. However, as the loop starts and ends near Telluride, it's advisable to research parking options within or just outside Telluride, keeping in mind that parking can be limited, especially during peak season.

Are there any permits or fees required for this trail?

The Ajax Peak and Imogene Pass Loop is located within the Uncompahgre National Forest. Generally, there are no specific permits required for day hiking or jogging on established trails within the National Forest, nor are there entrance fees. However, always check the official US Forest Service website for the Uncompahgre National Forest for any current regulations or alerts before your visit.

Is the Ajax Peak and Imogene Pass Loop dog-friendly?

While specific regulations for dogs on this exact loop are not detailed, trails within the Uncompahgre National Forest typically allow dogs. It is crucial to keep your dog on a leash at all times to protect wildlife and ensure the safety of other trail users. Be prepared for rugged terrain and high altitude, which can be challenging for pets as well.

What is the best time of year to visit this area?

The best time to visit for jogging or hiking is typically late summer to early fall (July through September) when the high mountain passes are usually free of snow. However, weather in the San Juan Mountains can change rapidly, even in summer. Always check the forecast and be prepared for all conditions, including potential afternoon thunderstorms.

Does the loop intersect with other well-known paths?

Yes, the route utilizes and intersects with several other paths. Significant portions follow the Imogene Pass Road and also pass through sections of the Black Bear Pass Road, Tomboy / Imogene Pass Road, Marshall Creek Bypass Road, and 636 Road. You'll also find sections of the Telluride Via Ferrata and Bridal Veil Wagon Road along the way.

What's an insider tip for tackling this challenging loop?

Given the extreme difficulty and high altitude, don't be afraid to hike significant portions, especially on the steepest ascents and above 12,000 feet. Even seasoned athletes in the Imogene Pass Run often walk these sections. Conserving energy and maintaining a steady pace will make the experience more enjoyable and safer. Also, start early to avoid afternoon thunderstorms and allow ample time.

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