4.9
(14)
64
riders
33
rides
Mountain biking in Los Alamos County offers diverse terrain across a landscape shaped by ancient volcanic activity. The region is characterized by dramatic mesas, deep canyons, and the surrounding Jemez Mountains, providing varied elevations and technical challenges. Riders can expect trails that traverse the Pajarito Plateau, featuring sections with roots and rocks, alongside smoother singletrack. This unique geography creates a dynamic environment for mountain biking.
Last updated: May 10, 2026
4
riders
10.6km
00:45
620m
620m
Prepare for a moderate mountain biking adventure on the Pajarito Mountain loop, a route distinguished by its rugged, hand-built terrain. This challenging ride spans 6.6 miles (10.6 km) and includes…
5.0
(3)
2
riders
12.8km
01:17
270m
270m
Embark on the American Springs Loop for an easy mountain biking adventure through Santa Fe National Forest. This 8.0-mile (12.8 km) route offers a varied experience, starting with mostly easy…

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4
riders
10.5km
01:10
320m
320m
The Guaje Canyon Trail offers a moderate mountain biking experience, covering 6.5 miles (10.5 km) with an elevation gain of 1056 feet (322 metres). You can expect to complete this…
2
riders
10.2km
00:56
130m
130m
Embark on the Potrillo Canyon and Ruin Mesa Loop for an easy mountain biking experience that offers a mix of terrain suitable for beginners. This route covers 6.4 miles (10.2…
3
riders
6.92km
00:38
90m
90m
The Kwage Mesa Loop offers an easy mountain biking experience, covering 4.3 miles (6.9 km) with a gentle 280 feet (85 metres) of elevation gain. You can expect to complete…
2
riders
25.4km
02:59
900m
900m
Embark on the Guaje Ridge and Perimeter Trail Loop for a classic Los Alamos mountain biking adventure. This moderate route spans 15.8 miles (25.4 km) and features a significant elevation…
2
riders
19.6km
02:29
820m
820m
Get ready for a moderate mountain biking adventure on the Quemazon, Guaje Ridge, and Perimeter Loop, covering 12.2 miles (19.6 km) with a significant 2694 feet (821 metres) of elevation…
2
riders
14.7km
01:42
490m
490m
Get ready for a mountain biking adventure on the Quemazon/Pipeline Loop, a moderate route that packs a punch with its varied terrain. You will navigate everything from packed dirt to…
2
riders
10.8km
00:59
160m
160m
You can mountain bike the easy White Rock Canyon Rim Trail Loop, a 6.7-mile (10.8 km) route that takes about 58 minutes to complete. As you ride, you'll gain 533…
13.5km
01:18
270m
270m
Embark on the Bayo/Pueblo Loop, an easy mountain biking route that spans 8.4 miles (13.5 km) and involves an elevation gain of 890 feet (271 metres). You can expect to…
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The Mitchell Trail is a very steep, switchbacking trail thats open to hikers and bikers. Although you can ride up it, it is so gravely, steep, and twisty that most use it as a downhill trail. This trail is very popular with hikers headed to the Los Alamos Arch (which you should check out too!) so be aware as you ride down.
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The Quemazon Trail is an excellent mountain biking and hiking trail on the westside of Los Alamos. It is typically ridden as a downhill trail accessed from either the Knapp/Los Alamos Canyon Trail or Pipeline Road, but it can be ridden uphill. The Quemazon Trail is a technical trail with stretches of flowy singletrack intermixed with rocks, ledges, and small drops to keep things interesting.
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The Technical Perimeter, as the name indicates, is the technical western side of Perimeter Trail system. This trail is mostly comprised of volcanic slickrock. It is not a fast trail, but it's a great trail if you're in the mood for some slower techy riding with great views.
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Pipeline Road is a rough, steep dirt road that takes you up to the Pajarito Mountain Ski Area and the Guaje Ridge. The road starts in town on the west side of the Perimeter Trail and is closed to cars and other motor vehicles. Although the climb is hard, the views are excellent.
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The Guaje Ridge Trail is a long, open trail that traverses the amazing ridges of several mountain tops (most unnamed) north of Los Alamos. This section of trail stretches from the intersection with the Mitchell Trail and the Upper Guaje Ridge Trail. Although you're only a few miles from town (as the crow flies), this is an incredibly remote feeling trail.
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The Bayo Canyon Trail runs from the rotary next to Loma Linda Park to the bottom of Bayo Canyon. The trail starts out on fast, flowy singletrack, but gets steadily more technical as you get close to the bottom of the canyon with steep drops and large rocks. At the bottom of the canyon the trail levels out again before turning into a dirt road that eventually leads out to the highway.
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The Kwage Mesa Trail is an easy, flat trail that takes you out into the desert northeast of Los Alamos, New Mexico. Archeologists have found evidence of human activity on the Kwage (KWA-hee) Mesa, which is also known as the Pajarito Plateau, dating back over 10,000 years. This unique trail is a great place to walk through both natural and human history close to town.
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The White Rock Canyon Rim Trail is a stunning trail that traverses the rim of White Rock Canyon, As you ride, you get amazing, panoramic views down the steep mesa to the Rio Grande River and over the open desert. This is a great trail for riders of all ability levels; it's generally flat with great views and a few rocky basalt steps to keep things interesting.
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Los Alamos County boasts an extensive network of over 200 miles of trails, with more than 30 routes specifically curated for mountain biking on komoot. These trails cater to various skill levels, from easy to advanced, offering diverse terrain across a landscape shaped by ancient volcanic activity.
You can expect a diverse range of terrain, shaped by the region's volcanic history. Trails often feature technical sections with roots and rocks, alongside smoother, faster singletrack. The landscape includes dramatic mesas and canyons, providing varied elevations and challenging ascents and descents. Some trails, like those on Pajarito Mountain, offer significant elevation changes, while others, such as the Kwage Mesa Loop, provide a less technical experience.
Yes, Los Alamos County offers several family-friendly and beginner-suitable mountain bike trails. The American Springs Loop is an easy 8-mile path through varied terrain. Another great option is the Kwage Mesa Loop, which is also easy and offers scenic views. The White Rock Canyon Rim Trail Loop is another easy route with stunning vistas.
For breathtaking views, consider trails that traverse the mesas and canyons. The White Rock Canyon Rim Trail Loop offers stunning vistas of the Rio Grande. The Kwage Mesa Loop also provides scenic views, often with historical context. Additionally, viewpoints like North Bench Overlook and White Rock Canyon Overlook are accessible near many trails, offering panoramic views of the Sangre de Cristo Mountains and the Rio Grande valley.
Yes, many mountain bike trails in Los Alamos County are designed as loops, offering a complete riding experience. Popular circular routes include the Pajarito Mountain loop, the American Springs Loop, and the Kwage Mesa Loop. For a longer ride, consider the Guaje Ridge and Perimeter Trail Loop.
Los Alamos County enjoys approximately 278 sunny days per year, making outdoor activities, including mountain biking, a year-round possibility. However, spring and fall generally offer the most pleasant temperatures for riding. Summer can be warm, especially at lower elevations, while winter may bring snow to higher trails, particularly on Pajarito Mountain.
Many trails in Los Alamos County's open space are dedicated to non-motorized use, which typically includes hiking, running, and mountain biking, often allowing dogs on leash. It's always best to check specific trail regulations before heading out, but generally, the region is welcoming to responsible dog owners. Trails like the American Springs Loop are popular choices for riders with canine companions.
Los Alamos County is rich in natural beauty and cultural history. Near the trails, you can explore sites like the Los Alamos Natural Arch or visit historical sites such as Ashley Pond Park and the Ancestral Pueblo Dwelling and the Romero Cabin. The region is also close to the Valles Caldera National Preserve and Bandelier National Monument, offering further exploration opportunities.
Parking is generally available at various trailheads throughout Los Alamos County. Specific parking information can often be found on individual trail pages or local park websites. For example, trails around Pajarito Mountain or within areas like Bayo Canyon typically have designated parking areas to accommodate riders.
The komoot community highly rates mountain biking in Los Alamos County, with an average score of 5.0 stars from over 10 reviews. Riders often praise the diverse terrain, from technical sections to smooth singletrack, and the stunning views offered by the dramatic mesas and canyons. The variety of trails catering to all skill levels is also frequently highlighted.
Yes, experienced riders seeking a challenge will find plenty of options. Pajarito Mountain is known for its advanced difficulty trails and dedicated bike park. Trails like the Pajarito Mountain loop offer significant elevation changes and technical sections. The Quemazon, Guaje Ridge, and Perimeter Loop is another moderate-to-difficult option that combines diverse terrain and scenic views.
While komoot focuses on trail information, mountain bike rentals are typically available from local outdoor gear shops or specialized bike stores in Los Alamos or nearby communities. It's advisable to check with local businesses for current rental options and availability before your visit.


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