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Running trails & routes
United States
Colorado
San Juan County

Highland Mary Lakes Trail

Hard

4.5

(6736)

18,234

runners

Highland Mary Lakes Trail

01:11

7.72km

390m

Running

Jog the difficult 4.8-mile Highland Mary Lakes Trail in the Weminuche Wilderness, gaining 1280 feet to alpine lakes and mountain views.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Weminuche Wilderness

Waypoints

A

Start point

Parking

Get Directions

1

2.98 km

Northern Highland Mary Lake

Highlight • Lake

Highland Mary Lakes are subalpine and tend to remain frozen through early summer. The northern lake is distinguished by a small island with trees. You can fish in the lakes but camping is not permitted.

Tip by

2

3.84 km

Highland Mary Lake

Highlight • Lake

Highland Mary Lakes are subalpine and tend to remain frozen through early summer. The lakes are in a valley largely devoid of trees, so you will have a clear view …

Tip by

B

7.72 km

End point

Parking

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Way Types & Surfaces

Way Types

7.60 km

116 m

Surfaces

7.72 km

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Elevation

Elevation

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Weather

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Monday 13 July

17°C

5°C

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Frequently Asked Questions

How long does it typically take to jog the Highland Mary Lakes Trail?

The estimated duration for jogging this trail is around 1 hour and 10 minutes, covering a distance of approximately 7.7 kilometers. However, due to its 'difficult' rating, significant elevation gain, and rugged terrain, individual times may vary considerably, especially for those not accustomed to high-altitude jogging.

What is the terrain like on the Highland Mary Lakes Trail?

The trail features varied and often demanding terrain. You'll start with moderately steep grades through forests and meadows, which become more rugged as you ascend. Joggers will encounter steep climbs, including a section ascending a rock outcropping. The path also involves creek crossings and, above the treeline, traverses rolling alpine meadows and rock gardens.

What can I see along the route?

The trail offers breathtaking scenery, including lush meadows bursting with wildflowers from July to September. You'll pass pristine alpine lakes, such as Northern Highland Mary Lake and Highland Mary Lake, all situated above 12,000 feet. Panoramic views of towering peaks like the Grenadier Range and the distinctive West Trinity, Vestal, and Arrow Peaks are prominent. You might also spot remnants of historical mining camps.

Does the Highland Mary Lakes Trail offer loop options?

Yes, while the primary route is an out-and-back, there is an option to extend your trip into a loop by connecting with a segment of the Continental Divide Trail. This allows for even more expansive views and a diverse return route, though it significantly increases the overall distance and elevation gain.

When is the best time of year to jog the Highland Mary Lakes Trail?

The best time to visit and jog this trail is typically from July to September. During these months, the high alpine meadows are vibrant with wildflowers, and the weather is generally more favorable for high-altitude activities. Always check current weather and trail conditions before heading out.

Where can I park to access the Highland Mary Lakes Trail?

Specific parking information for the Highland Mary Lakes Trailhead is usually available through local forest service offices or online resources. It's advisable to check the USDA Forest Service website for the most up-to-date details on trailhead access and parking regulations near Silverton, Colorado.

Do I need a permit or pay an entrance fee for the Highland Mary Lakes Trail?

The Highland Mary Lakes Trail is located within the Weminuche Wilderness. While there isn't typically an entrance fee for the wilderness area itself, specific regulations apply. You may need to fill out a free self-issue wilderness permit at the trailhead for visitor tracking purposes. Always check the USDA Forest Service website for current permit requirements and wilderness regulations before your visit.

Is the Highland Mary Lakes Trail dog-friendly?

Yes, dogs are generally allowed on the Highland Mary Lakes Trail, as it is part of the Weminuche Wilderness. However, they must be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Always practice Leave No Trace principles, including packing out all pet waste.

Is the trail suitable for beginners?

This trail is generally considered moderate-strenuous to hard, making it a challenging route for jogging. It involves significant elevation gain, reaching up to 12,580 feet, combined with rugged and steep terrain. Beginners, especially those not accustomed to high-altitude or strenuous trail running, may find it particularly challenging.

What should I know about visiting the Weminuche Wilderness where the trail is located?

The Highland Mary Lakes Trail is in the Weminuche Wilderness, a protected area. Visitors are expected to follow Leave No Trace principles, which include packing out all trash, staying on marked trails, and minimizing impact on the environment. Campfires may be restricted, and group sizes are often limited. Always check the USDA Forest Service website for the most current regulations and conditions before your trip.

Are there any specific challenges or strategies for jogging this trail?

Be prepared for the high altitude, as the trail reaches over 12,000 feet, which can significantly impact your stamina. The terrain includes steep climbs, including a notable section ascending a rock outcropping, and rugged paths. Starting early in the day is advisable to avoid afternoon thunderstorms common in the San Juan Mountains and to allow ample time for the challenging ascent and descent.

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