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United States
Colorado
Gunnison County

Aberdeen Loop trail run

Hard

4.8

(9163)

18,133

runners

Aberdeen Loop trail run

01:54

14.8km

310m

Running

This difficult 9.2-mile (14.8 km) jogging route in Hartman Rocks Recreation Area offers panoramic high desert views and granite formations.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Hartman Rocks

BLM - Gunnison Field Office

Waypoints

A

Start point

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1

1.24 km

Aberdeen Loop Trail

Highlight (Segment) • Trail

There are some pretty awesome views from this open double track trail. Being further from town than most of the other trails in the Hartman Rocks trail system, this trail …

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14.8 km

End point

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Way Types & Surfaces

Way Types

11.7 km

3.03 km

Surfaces

11.7 km

3.03 km

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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 (2,640 m)

Lowest point (2,410 m)

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Aberdeen Loop trail run?

The Aberdeen Loop trail is located within the Hartman Rocks Recreation Area. There are several parking areas within Hartman Rocks, and you can access the loop from various points. It's best to consult a map of the recreation area for the most convenient trailhead parking depending on your starting preference.

Are there any permits or entrance fees required for Hartman Rocks Recreation Area?

No, there are no permits or entrance fees required to access the Hartman Rocks Recreation Area or to run the Aberdeen Loop trail. It's a publicly accessible area managed by the Bureau of Land Management.

Is the Aberdeen Loop trail run dog-friendly?

Yes, the Aberdeen Loop trail is dog-friendly. However, it's important to keep your dog on a leash and practice Leave No Trace principles, including packing out all waste. Given the high desert environment, ensure your dog has plenty of water.

What is the best time of year to run the Aberdeen Loop trail?

The best time to run the Aberdeen Loop trail is generally outside of the seasonal closure period. Be aware that all trails south of Powerline Road, including this loop, are closed to motorized and mechanized use from March 15 to May 15 for Sage Grouse habitat conservation. Outside of this, spring and fall offer pleasant temperatures, while summer runs should be planned for early mornings to avoid the heat.

What is the terrain like on the Aberdeen Loop trail run?

The terrain on the Aberdeen Loop is primarily high desert singletrack, winding through granite rock formations and sagebrush. You'll encounter a mix of technical sections, 'flow' sections, and some primitive roads. Expect varied footing, with longer climbs and descents. Aberdeen Loop West is predominantly uphill, while Aberdeen Loop East is mostly downhill, though it includes fast sections.

What kind of scenery can I expect on the Aberdeen Loop trail?

You can expect sweeping landscapes and 360-degree views of the high desert environment. The trail showcases distinctive granite rock formations, vast expanses of sage, and seasonal wildflowers. From ridges, you'll get views of surrounding mountain ranges, including the San Juans. The historical Aberdeen Quarry is also a unique geological feature along the route, offering a refreshing oasis.

What should I bring for a trail run on the Aberdeen Loop?

Given the trail's remoteness, elevation (around 8,000 feet), and lack of shade, it's crucial to bring plenty of water, sun protection (hat, sunscreen), and appropriate trail running shoes for varied terrain. A map or GPS device is also recommended as there are no bailout points once you commit to the loop.

Does the Aberdeen Loop trail intersect with other paths?

Yes, the route is part of the extensive Hartman Rocks trail network. It utilizes sections of the Aberdeen Loop Trail and also passes through parts of East Aberdeen, West Aberdeen, Lower Aberdeen Road, Powerline Road, Aberdeen Connector, Aberdeen Quarry, and Skull ByPass.

Is the Aberdeen Loop trail remote, and are there bailout points?

The Aberdeen Loop offers a more remote and secluded experience compared to busier trails in Hartman Rocks. It provides a sense of being away from it all. However, it's important to note that there are no 'bailout points' once you're committed to the loop, meaning you'll typically need to complete the entire route.

How busy is the Aberdeen Loop trail compared to other trails in Hartman Rocks?

The Aberdeen Loop tends to be less crowded than some of the more popular main trails within Hartman Rocks Recreation Area, offering a more secluded experience. It's a multi-use trail, so you may encounter mountain bikers, e-bikers, and hikers, but generally, it provides a quieter run.

Is the Aberdeen Loop trail suitable for intermediate trail runners?

Yes, the Aberdeen Loop is generally considered to have a 'moderate physical rating' and is rated with a 'Blue' difficulty, indicating intermediate terrain. While some sections are smooth, others present more challenging footing and climbs. The elevation around 8,000 feet adds to the physical challenge, making it a rewarding run for those with some experience.

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