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Running trails & routes
United States
New Mexico
Rio Arriba County

Damian and Las Vacas Trail Loop

Hard

4.7

(8167)

15,982

runners

Damian and Las Vacas Trail Loop

02:03

15.1km

460m

Running

The Damian and Las Vacas Trail Loop presents a difficult jogging challenge, covering 9.4 miles (15.1 km) with a significant elevation gain of 1510 feet (460 metres). Expect to spend around 2 hours and 2 minutes on this high-country route. As you jog, you will experience diverse vistas, winding through…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

San Pedro Parks Wilderness

Santa Fe National Forest

Waypoints

A

Start point

Get Directions

1

1.31 km

San Pedro Parks Wilderness

Highlight • Forest

Here is the San Pedro Parks Wilderness sign! It is a great spot for a photo opportunity, and it marks the boundary between the San Pedro Parks Wilderness to the north and the Santa Fe National Forest.

Tip by

2

3.82 km

Rio de las Vacas

Highlight • River

The Rio de las Vacas is a river running through the Santa Fe National forest woods and meadows. It is scenic and clear, but keep in mind, that if you're …

Tip by

3

7.53 km

San Gregorio Reservoir

Highlight • Lake

San Gregorio Reservoir is a picturesque high country lake located among a mixture of open meadows and thick forest.

Tip by

B

15.1 km

End point

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Way Types & Surfaces

Way Types

15.1 km

< 100 m

Surfaces

15.1 km

< 100 m

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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

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Today

Sunday 12 July

28°C

10°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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Frequently Asked Questions

How long does it typically take to jog the Damian and Las Vacas Trail Loop?

The Damian and Las Vacas Trail Loop is a challenging route that typically takes around 2 hours and 2 minutes to complete for jogging, depending on your pace and stops.

What is the terrain like on this jogging route?

Expect a varied and rugged natural surface. The trail primarily consists of dirt paths and singletrack sections. You may encounter boggy, marshy, or muddy areas, especially after rain or snowmelt, and sections where cattle have churned up the ground. Be prepared for obstacles like dead-fall and blow-down, and stream crossings that require careful footing. The Damian Trail specifically is described as a 'green singletrack trail'.

What kind of scenery can I expect along the Damian and Las Vacas Trail Loop?

You'll experience diverse and beautiful high-country vistas within the San Pedro Parks Wilderness. The route offers views of the picturesque San Gregorio Reservoir, winds through spruce vegetation, open meadows, wildflower meadows, and aspen groves. You'll also encounter large, lush meadows like the Vallecito Damian, often with seasonal creeks, and pass by the Rio de las Vacas.

Is the Damian and Las Vacas Trail Loop suitable for beginners?

No, this trail is rated as difficult for jogging. It involves significant climbs with grades up to 18% and over 2,000 feet of climbing over its approximately 15 km length. The high elevation, starting around 9,240 to 9,300 feet, also adds to the challenge. Good fitness and experience with rugged trail conditions are recommended.

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

The Damian and Las Vacas Trail Loop is best enjoyed in late spring and fall. During these seasons, you'll likely find more favorable weather conditions and vibrant scenery. While accessible for winter sports, conditions can vary significantly with snow and ice.

Are dogs allowed on the Damian and Las Vacas Trail Loop?

As this trail is located within the San Pedro Parks Wilderness, dogs are generally allowed but must be kept on a leash to protect wildlife and ensure a peaceful experience for all visitors. Always practice Leave No Trace principles and pack out all waste.

Do I need a permit or is there an entrance fee for the San Pedro Parks Wilderness Area?

Currently, there are no specific permits or entrance fees required to access the San Pedro Parks Wilderness for day use. However, it's always a good idea to check the official USDA Forest Service website for the latest regulations before your visit, especially if planning an overnight trip.

Where can I park to access the Damian and Las Vacas Trail Loop?

Specific parking details for the Damian and Las Vacas Trail Loop are not explicitly provided, but access points are typically found near the San Gregorio Reservoir area within the San Pedro Parks Wilderness. Look for designated trailheads or parking areas along forest roads leading to the reservoir or the start of the Damian Trail (#436) or Las Vacas Trail (#51).

What wildlife might I encounter on the trail?

The San Pedro Parks Wilderness is home to various wildlife. You might spot deer and elk, especially during dawn or dusk. It's also common to encounter cattle grazing in some areas, so be mindful of their presence on the trails.

Does the Damian and Las Vacas Trail Loop intersect with other trails?

Yes, this route incorporates sections of several other trails. You will jog along parts of the Damian Trail (436) and the Las Vacas Trail (51). The loop also briefly touches the Great Divide Mountain Bike Route and includes segments of the Palomas Trail (50), Clear Creek Trail, Perchas Trail (418), and the San Gregorio Connector.

Are there any specific challenges or insider tips for jogging this loop?

Beyond the general difficulty, be aware that trail finding can be challenging in some open areas along the Damian Trail, so pay close attention to guide posts. Also, motorized and mechanized use is prohibited in this wilderness area, ensuring a peaceful experience, but it means you'll rely solely on foot power. Given the potential for boggy sections and stream crossings, waterproof footwear is highly recommended, especially after rain or snowmelt.

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