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Running trails & routes
United States
Colorado
San Juan County

Engineer Mountain via Pass Trail

Hard

3.0

(20)

54

runners

Engineer Mountain via Pass Trail

01:43

9.90km

650m

Running

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 dense spruce-fir forests and vibrant aspen groves before reaching expansive alpine meadows. As you climb, you can expect panoramic views…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

San Juan National Forest

Waypoints

A

Start point

Parking

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1

4.88 km

Engineer Mountain

Highlight • Summit

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 …

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9.90 km

End point

Parking

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Way Types & Surfaces

Way Types

9.89 km

Surfaces

7.69 km

2.21 km

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Elevation

Elevation

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Weather

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Today

Thursday 9 July

22°C

8°C

0 %

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Max wind speed: 19.0 km/h

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Frequently Asked Questions

Where do I park to access the Engineer Mountain via Pass Trail?

The trail is often accessed from Coal Bank Pass, which is a common starting point. You'll find parking available there.

How challenging is jogging the Engineer Mountain via Pass Trail?

This trail is considered difficult and strenuous, making it best suited for experienced trail runners. You can expect moderate to steep inclines, switchbacks, and potentially rocky or loose talus sections, especially closer to the summit. The overall elevation gain is significant, and the trail reaches over 12,000 feet.

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

The best time to jog this trail is typically during the summer months, particularly July and August. During this period, the alpine meadows are vibrant with abundant wildflowers, and the views are spectacular. Be aware that snow patches can linger into mid-summer, adding to the challenge.

Do I need a permit or pay an entrance fee for the Engineer Mountain via Pass Trail?

The Engineer Mountain via Pass Trail is located within the San Juan National Forest. Generally, no specific permits or entrance fees are required for day-use jogging on this trail. However, always check the USDA Forest Service website for the latest regulations and any potential changes, especially if planning an overnight trip or specific activities.

Is the Engineer Mountain via Pass Trail dog-friendly?

Yes, dogs are generally allowed on the Engineer Mountain via Pass Trail, as it is within the San Juan National Forest. However, it's crucial to keep your dog on a leash at all times to protect wildlife and ensure a pleasant experience for all trail users. Please also remember to pack out all pet waste.

What kind of scenery and views can I expect along the route?

The trail offers stunning panoramic views. As you ascend, you'll pass through spruce-fir forests and aspen groves, transitioning into beautiful alpine meadows filled with wildflowers in summer. From higher elevations, you can enjoy vistas of Engineer Mountain itself, Jura Knob, Twin Sisters, the Needle Mountains, Animas Valley, and the majestic San Juan Mountains. A rare rock glacier can also be observed near the summit.

What is the typical duration for jogging this trail?

Based on komoot's data, jogging the Engineer Mountain via Pass Trail typically takes around 1 hour and 43 minutes. This duration can vary significantly based on your fitness level, pace, and how much time you spend enjoying the views.

Does the trail connect with other well-known paths?

Yes, the route primarily follows the Pass Trail and also includes sections of the Engineer Mountain Trail. It also intersects with other trails like the Colorado Trail, Pass Creek Trail, and Coal Creek Trail, offering options for various loop or point-to-point adventures.

What is the terrain like on the Engineer Mountain via Pass Trail?

The terrain varies from moderate grades through meadows and dense forest to steeper sections with switchbacks. Closer to the summit, you can expect rocky and loose talus sections, which require careful footing. Snow patches can also persist into mid-summer.

Are there any specific safety considerations for this high-altitude trail?

Given the trail's high elevation (over 12,000 feet) and strenuous nature, it's important to be prepared for rapidly changing weather conditions, including afternoon thunderstorms. Always carry sufficient water, layers of clothing, and be aware of signs of altitude sickness. The exposed sections near the summit also require caution.

What wildlife might I encounter on the trail?

While specific wildlife sightings are never guaranteed, the San Juan National Forest is home to various species. You might spot deer, elk, marmots, pikas, and a variety of birdlife. Always maintain a respectful distance and never feed wild animals.

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