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Routes
Road cycling routes
United States
New Mexico
Los Alamos County
Los Alamos

South Mesa loop

Moderate

4.6

(8953)

15,472

riders

South Mesa loop

02:33

50.9km

710m

Road cycling

The South Mesa loop is a moderate 31.6-mile road cycling route in Los Alamos, offering scenic views and 2343 feet of elevation gain.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

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1

48.6 km

South Mesa

Highlight • Natural Monument

South Mesa is one of four beautiful mesas that comprise Los Alamos. This area is home to a diverse range of wildlife and vegetation, with an abundance of Ponderosa pines …

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50.9 km

End point

Parking

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Way Types & Surfaces

Way Types

29.6 km

12.6 km

8.29 km

273 m

< 100 m

Surfaces

41.7 km

9.15 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.

Highest point (2,370 m)

Lowest point (1,910 m)

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Weather

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Today

Thursday 7 May

18°C

1°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How difficult is the South Mesa loop for road cycling?

The South Mesa loop is considered a moderate road cycling experience. While the surfaces are well-paved, the route involves approximately 714 meters (2,329 feet) of elevation gain over 50.9 km (31.6 miles). Additionally, Los Alamos is situated at an elevation of around 7,400 feet, meaning the air is thinner, which can add to the challenge for some riders. It's best suited for cyclists with good fitness levels.

What is the terrain like on the South Mesa loop?

The terrain on the South Mesa loop is predominantly well-paved, making it generally smooth for road cyclists. You'll be cycling on roads that traverse the scenic Pajarito Plateau, offering a consistent surface for your ride.

What kind of scenery and wildlife can I expect along the South Mesa loop?

The route offers beautiful natural scenery, characteristic of the Pajarito Plateau. You'll cycle through areas with abundant Ponderosa pines and have opportunities to spot diverse wildlife. Common sightings include various bird species like hummingbirds, woodpeckers, ravens, and potentially great horned owls. The area is also known for its views of cliffs, mesas, and pine-filled canyons.

Where can I park to access the South Mesa loop?

While specific parking areas for the South Mesa loop are not detailed, Los Alamos offers various public parking options. Cyclists typically find parking within the town or near common access points for local trails. It's advisable to check local Los Alamos resources for the most convenient parking near your intended starting point.

Do I need a permit or pay an entrance fee for the South Mesa loop?

The South Mesa loop is located within the broader area of Los Alamos, which is adjacent to Bandelier National Monument. While the cycling route itself might not directly require a specific permit, if your ride takes you into or through designated areas of Bandelier National Monument, entrance fees or passes may be required. It's always best to check the official Bandelier National Monument website for current fee information and regulations before your visit.

What is the best time of year to cycle the South Mesa loop?

The best time to cycle the South Mesa loop is generally during the spring, summer, and fall months when the weather is most favorable. Summers can be warm, but the elevation often provides cooler temperatures than lower-lying areas. Winters can bring snow and icy conditions, making road cycling less ideal. Always check the local weather forecast before heading out.

Are dogs allowed on the South Mesa loop?

As a road cycling route, the South Mesa loop primarily uses public roads. Generally, dogs are allowed on leash in public areas, but specific regulations may apply if the route passes through certain park or protected areas. If you plan to bring a dog, ensure they are well-behaved and kept on a leash, and always clean up after them. Check local Los Alamos ordinances for any specific restrictions.

Are there any notable features or viewpoints along the route?

The route itself offers continuous scenic views of the Pajarito Plateau, including pine-filled canyons and distant mountains. The highlight of the area is South Mesa, which is one of the four mesas comprising Los Alamos and is known for its natural beauty and diverse ecosystem.

Does the South Mesa loop intersect other well-known paths?

Yes, the route passes through sections of several other trails in the Los Alamos area. You may encounter parts of the Two Mile Mesa Trail, Boundary Trail, and Gabriella Trail, among others, which are part of the broader network of trails in the region.

What amenities are available near the South Mesa loop for cyclists?

Los Alamos, being a developed town, offers various amenities for cyclists. You can find cafes, restaurants, and accommodation options within the town. It's a good idea to stock up on water and snacks before your ride, as specific services directly on the loop may be limited.

Is the South Mesa loop suitable for family cycling?

Given its moderate difficulty, significant distance (50.9 km), and elevation gain, the South Mesa loop is generally more suited for experienced road cyclists with good fitness. While families with older, experienced teenage cyclists might manage, it may be too challenging for younger children or those new to road cycling. Shorter, flatter routes might be more appropriate for a family outing.

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