Guaje Ridge and Perimeter Trail Loop

This loop is considered a challenging ride, rated as 'moderate' overall, but individual sections vary. The climb, often via Pipeline Road, is strenuous and rough. The Guaje Ridge Trail descent features technical, rough sections with rocks, roots, and steep pitches, pushing its difficulty to intermediate/difficult. Riders should be prepared for potential hike-a-bike sections if not technically proficient. The Perimeter Trail portion is generally more flowy and non-technical.

The loop begins with a substantial climb, often on rough and steep trails like Pipeline Road. Once on Guaje Ridge, the terrain transitions to singletrack with fast, twisty descents. You'll encounter narrow sections with lush vegetation in unburned areas, and significant erosion, technical challenges, and patches of sand and gravel in burn areas. The lower part of Guaje Ridge is particularly rough. The Perimeter Trail offers a fairly flowy and non-technical ride.

The best time to ride this loop is typically late May or early June. This avoids the heavy brush and thorns that can develop later in the summer or early fall, which can be abrasive to riders.

The Guaje Ridge and Perimeter Trail Loop is located within the Santa Fe National Forest. Generally, there are no specific permits or entrance fees required for day use of trails in the National Forest. However, always check the official Santa Fe National Forest website for any current regulations or alerts before your visit.

Access to the loop is typically from Los Alamos. While specific parking areas aren't detailed, trailheads for sections like Pipeline Road or other connecting trails within the Los Alamos trail system would be your starting points. Look for designated parking near these access points in Los Alamos.

Yes, trails within the Santa Fe National Forest are generally dog-friendly. However, it's crucial to keep your dog on a leash at all times to protect wildlife and ensure a safe experience for all trail users. Please also remember to pack out all pet waste.

The climb to Guaje Ridge, especially via Pipeline Road, provides excellent views. Along the Guaje Ridge Trail, you'll experience a mix of landscapes, from rare unburned sections with lush plant life to areas affected by past fires. The trail is considered a 'crown jewel' of the Los Alamos system, offering a significant descent and a sense of adventure.

Yes, the Guaje Ridge and Perimeter Trail Loop is part of a larger network. The route itself incorporates sections of the Guaje Ridge Trail and Pipeline Road. Other official trails in the vicinity that connect or are part of similar loops include Quemazon Trail, Rendija Canyon Trail, Mitchell Trail, and Upper Pueblo Trail, among others.

The trail can be quite brushy, especially in late summer or early fall, with thorns that can be abrasive. The upper parts of Guaje Ridge can have narrow sections with lush vegetation, potentially limiting line of sight. In burn areas, you might encounter 'NM locust' bushes growing close to the trail. Long sleeves and pants are recommended during certain seasons.

No, this loop is not recommended for beginners. It involves a strenuous climb and a technical, rough descent on the Guaje Ridge Trail, requiring strong technical skills. Beginners may find themselves walking sections of the trail. More experienced riders will appreciate the challenge.

The loop is approximately 25.4 km (15.8 miles) long with significant elevation gain. On average, it takes about 3 hours to complete, but this can vary greatly depending on your fitness level, technical skills, and how often you stop to enjoy the views or navigate challenging sections.