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United States
Colorado

San Juan National Forest

The best running trails in San Juan National Forest

317

runners

66

runs

Jogging in San Juan National Forest offers extensive trail systems across 1.8 million acres of diverse landscapes in Southwest Colorado. The region features dramatic mountains, lush forests, valleys, and canyons, providing varied terrain for runners. Trails range from flat paths to steep, rocky routes with significant elevation gains. This vast area provides a wide range of running experiences for all fitness levels.

Best jogging routes in San Juan National Forest

  • The most popular jogging route is Ice Lakes Trail,…

Last updated: July 21, 2026

38

runners

#1.

Ice Lakes Trail

10.7km

01:50

750m

750m

The Ice Lakes Trail offers an unforgettable high-alpine jogging experience through Colorado's San Juan Mountains. You'll wind through lush forests and past waterfalls before ascending above the treeline, where the…

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Hard

14

runners

14.7km

01:57

400m

400m

The Dry Fork Loop Trail near Durango offers a challenging 9.1-mile (14.7 km) jogging experience with 1329 feet (405 metres) of elevation gain, typically taking around 1 hour and 56…

Hard
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12

runners

The Colorado Trail to Gudy's Rest offers a dynamic jogging experience, starting with a mellow stretch alongside Junction Creek before transitioning into a demanding ascent. You'll pass through beautiful ponderosa…

Hard

14

runners

14.3km

02:19

800m

800m

The Columbine Lake Trail offers a difficult jogging experience, covering 8.9 miles (14.3 km) with a substantial elevation gain of 2631 feet (802 metres). You can expect to complete this…

Hard

12

runners

The Engineer Mountain via Pass Trail offers a difficult jogging experience, covering 6.1 miles (9.9 km) with a significant elevation gain of 2143 feet (653 metres). You will navigate through…

Hard
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Tips from the Community

Matthew
November 27, 2023, Engineer Mountain

At 12,968 feet, Engineer Mountain doesn't quite qualify as a Colorado 13er. That being said, it is one of the most unique and fun mountains in the San Juans. The ridge up to the summit involves some class 2 and class 3 moves, but the route is clear and easy to follow. This is a great route to introduce someone to class 3 travel, and you are not lacking any views once you reach the summit.

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Zachary
November 21, 2023, Dry Fork Trailhead

The trail from here is a mix of singletrack and doubletrack which climbs up towards the Junction Creek Trail (Colorado Trail) to the north. Taking a right at the intersection will lead you to Gudy's Rest, while taking a left will keep you headed for the CT.

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Zachary
November 21, 2023, Junction Creek Trail

The Junction Creek Trail is a portion of the historic Colorado Trail. The trail climbs around 600 feet from Gudy's Rest to the creek crossing, but this portion is fairly flat all the way to the junction with Dry Fork.

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Junction Creek Campground is located at the start of the Colorado Trail, as well as the Logchute Trail System, so this makes for an ideal basecamp for a few days of running. The campground offers single- and double-family sites, as well as group sites. It also provides vault toilets and drinking water.

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Caro "Bandit"
November 21, 2023, Gudy's Rest

This scenic viewpoint is named for Gudy Gaskill, the so-called Mother of the Colorado Trail. So it is not surprising that is located right on the famous long-distance trail, that stretches from Durango to almost Denver. It’s said, this high spot was one of her favorite places, with stunning views over the San Juan Mountains.

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AaronLavanchy
November 8, 2023, Columbine Lake

Columbine Lake is a high glacial lake at 12,693 feet and surrounded by rugged peaks and alpine meadows. The first two miles of the ride climb pretty steeply, but flattens as you get closer to the lake.

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Zachary
August 16, 2023, Columbine Lake

Columbine Lake sits at 12,800 feet above sea level. If you are camping you should move your tent each night to avoid damaging the tundra and you can fish in the lake for trout if you desire. The stunning peaks surrounding the lake should only be climbed if you have alpine experience since storms can move in quickly.

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At 12,968 feet, Engineer Mountain doesn't quite qualify as a Colorado 13er. That being said, it is one of the most unique and fun mountains in the San Juans. The ridge up to the summit involves some class 2 and class 3 moves, but the route is clear and easy to follow. This is a great route to introduce someone to class 3 travel, and you are not lacking any views once you reach the summit.

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Frequently Asked Questions

How many running routes are available in San Juan National Forest?

San Juan National Forest offers a vast network of trails, with over 60 dedicated running routes available on komoot. This extensive system provides diverse terrain across 1.8 million acres, catering to various fitness levels.

Are there any easy or family-friendly jogging trails in the San Juan National Forest?

Yes, while many routes are challenging, there are options suitable for easier runs. The forest offers trails ranging from flat paths to more demanding ascents. For a more accessible experience, the 10.8-mile Animas River Trail in Durango (outside the immediate forest but nearby) is a paved route with scenic river views, often enjoyed by families.

What are some challenging running routes for experienced runners?

For those seeking a challenge, the San Juan National Forest has many difficult trails. The Ice Lakes Trail is a demanding 6.6-mile route leading to stunning alpine lakes. Another difficult option is the Dry Fork Loop Trail, a 9.1-mile path offering scenic views from Gudy's Rest with significant elevation gain.

Can I bring my dog on the running trails in San Juan National Forest?

Many trails within San Juan National Forest are dog-friendly, but it's always best to check specific trail regulations before you go. Generally, dogs are welcome on leash, especially in wilderness areas. Please ensure your dog is well-behaved and that you pack out all waste to preserve the natural environment.

Are there any circular running routes in the area?

Yes, the San Juan National Forest features several loop trails perfect for running. The Dry Fork Loop Trail is a popular 9.1-mile option that provides a complete circuit with rewarding views.

What kind of natural features or landmarks can I expect to see while running?

The forest boasts dramatic mountains, lush forests, valleys, and canyons. You might encounter stunning alpine lakes like Ice Lake or Island Lake. Other notable features include mountain passes such as Red Mountain Pass and panoramic viewpoints like View on Grenadier Range. The diverse terrain ensures a constantly changing and beautiful backdrop for your run.

What is the best time of year to go jogging in San Juan National Forest?

The best time to jog is typically from late spring through early fall (May to October) when trails are clear of snow and wildflowers are abundant. Summer offers pleasant temperatures at higher elevations, but be prepared for afternoon thunderstorms. Fall brings spectacular foliage, making it a very scenic time to run. Winter running is possible on some lower elevation trails, but many higher routes will be snow-covered.

Are there opportunities for wildlife spotting during a run?

Absolutely. San Juan National Forest is home to a wide array of wildlife, including foxes, bears, bighorn sheep, and nearly 300 species of birds. Early mornings or late evenings are often the best times for wildlife viewing. Remember to maintain a safe distance and never approach animals.

What do other runners enjoy most about the trails in San Juan National Forest?

Runners frequently praise the stunning natural beauty and the variety of terrain available. The extensive trail system allows for everything from gentle forest runs to challenging mountain ascents, all set against a backdrop of dramatic peaks and pristine wilderness. The sense of solitude and connection with nature is also highly valued.

Are there any specific permits or regulations I should be aware of for running in the forest?

Generally, permits are not required for day-use jogging on most trails in San Juan National Forest. However, if you plan to camp overnight or enter specific wilderness areas, different regulations and permits may apply. Always check with the local Forest Service office for the most current information regarding your chosen route.

Where can I find parking or trailhead access for running routes?

Many popular running routes have designated parking areas at their trailheads. For example, trails like the Colorado Trail to Gudy's Rest and Engineer Mountain via Pass Trail typically have accessible parking. It's advisable to arrive early, especially on weekends, as popular trailheads can fill up quickly.

What should I wear for jogging in San Juan National Forest during the summer?

Even in summer, weather can change rapidly in the mountains. It's recommended to wear layers, including moisture-wicking clothing, and bring a light jacket or rain shell. Sun protection (hat, sunglasses, sunscreen) is crucial due to the high altitude. Sturdy trail running shoes are essential for the varied terrain, and carrying enough water is vital.

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