Perimeter to Walnut Canyon Trail
Perimeter to Walnut Canyon Trail
4.6
(6559)
17,177
riders
01:13
12.3km
270m
Mountain biking
This 7.7-mile moderate mountain biking loop in Los Alamos offers technical challenges, flowy sections, and scenic views of Pueblo Canyon.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
1.90 km
Highlight (Segment) • Trail
Tip by
6.89 km
Highlight • Viewpoint
Tip by
12.3 km
End point
Parking
Way Types & Surfaces
Way Types
6.20 km
4.08 km
1.18 km
854 m
Surfaces
6.92 km
4.37 km
781 m
157 m
< 100 m
< 100 m
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Elevation
Highest point (2,370 m)
Lowest point (2,150 m)
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Weather
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Friday 10 July
29°C
15°C
0 %
Additional weather tips
Max wind speed: 4.0 km/h
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This route was planned by komoot.
This route is generally rated as moderate, but it includes sections that are intermediate to advanced due to numerous rock obstacles and technical features. Riders should be prepared for significant elevation changes and challenging terrain.
You'll encounter a diverse mix of terrain, from flowy sections to technical challenges. Expect rock obstacles, volcanic slick rock, and considerable climbing and descending. The Technical Perimeter section is particularly rocky, while the Woodland Trail segment offers a flowy, pump-track-like experience.
The route is approximately 12.3 kilometers (7.6 miles) long and typically takes around 1 hour and 13 minutes to complete by mountain bike, depending on your pace and skill level.
Specific parking details are not provided in the available data, but as part of the Los Alamos County Trail Network, trailheads often have designated parking areas. It's advisable to check local Los Alamos County Parks and Recreation resources for the most accurate trailhead parking information.
Information regarding dog policies for this specific trail is not available in the provided data. For regulations on dogs within the Los Alamos County Trail Network, it's best to consult official local government or park websites.
As part of the Los Alamos County Trail Network, this trail typically does not require a specific permit or entrance fee for public access. However, it's always a good idea to verify with Los Alamos County Parks and Recreation for any updated regulations or fees.
The best times to ride this trail are generally during the spring and fall months when temperatures are milder. Summer can be hot, and winter may bring snow or icy conditions, especially at higher elevations, making some sections challenging or inaccessible.
Along the route, you'll find the challenging Technical Perimeter section, known for its rocky nature. You can also enjoy the Pueblo Canyon view, offering scenic vistas of the surrounding area as the trail wraps around the town of Los Alamos.
Yes, the route utilizes sections of several other trails within the Los Alamos County Trail Network. You'll find yourself on parts of the Quemazon/Pipeline Loop, Guaje Ridge/Perimeter Loop, North Pueblo Bench Trail, South Pueblo Bench Trail, Upper Pueblo Trail, and Woodland Trail, among others.
Due to its intermediate to advanced rating, with significant rock obstacles and technical sections, this trail is generally not recommended for beginners. Riders should have prior mountain biking experience and be comfortable with technical terrain.
The trail is an inner singletrack loop that wraps around the town of Los Alamos, offering views of the surrounding landscape and the Pueblo Canyon view. You'll be riding through a mix of forested areas and open terrain characteristic of the region.
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