Quemazon, Guaje Ridge, and Perimeter Loop

While specific parking lots aren't detailed, the Perimeter Trail section of this loop skirts the town of Los Alamos, suggesting multiple access points around the town. It's advisable to check local Los Alamos trail maps for designated trailhead parking areas.

No, this is a challenging and diverse route rated as 'moderate' overall, but with significant sections that are much harder. The Quemazon Trail is rated Black Diamond, and the Guaje Ridge Trail is rated Blue (Intermediate/Difficult) with a 'Hard' physical rating. It requires good fitness and advanced riding skills due to strenuous climbs, technical descents, and rugged terrain.

The best time to ride this loop is generally late May or early June. This avoids the severe overgrowth of thorn bushes on Guaje Ridge Trail that occurs in late summer/early fall. The exposed nature of Guaje Ridge also means it can be very hot in the summer, so riding earlier in the season helps avoid extreme heat.

Yes, dogs are generally allowed on trails within the Santa Fe National Forest, which includes this route. However, they must be kept on a leash to protect wildlife and ensure the safety of other trail users. Always practice Leave No Trace principles and pack out all waste.

No, there are typically no specific permits or entrance fees required for mountain biking on the Quemazon, Guaje Ridge, and Perimeter Loop trails, as they are located within the Santa Fe National Forest. However, always check the official Santa Fe National Forest website for any updated regulations or fire restrictions before your visit.

You'll encounter highly varied terrain. The Quemazon Trail features volcanic tuff rock and sandstone, with fast, fun downhill sections. Guaje Ridge Trail is rugged, with significant erosion, technical sections, and areas of sand and gravel. The Perimeter Trail offers a mix, from easier stretches to sharp climbs and rocky technical bits, with some flowy sections and enjoyable rolls.

The loop offers diverse scenery. The Quemazon Trail provides good views during its ascent. Guaje Ridge Trail is dry and exposed, offering a sense of remoteness and wide-open vistas. The Perimeter Trail is notably shaded by pines, providing a cooler, more forested environment along the edge of Los Alamos. You'll also pass sections of Mitchell Trail.

Yes, the route incorporates several official trails. Beyond the main named sections, it also passes through parts of Pipeline Road, Quemazon/Pipeline Loop, Cave of the Winds Trail, Quemazon Nature Trail, Satch Cowan Trail, Berm City Trail, Natural Arch Trail, LA Mountain Trail, Upper Pueblo Trail, Knapp Trail, Devaney Longmire Trail, and Jack's trail.

The entry to the Guaje Ridge Trail can be tricky to find due to its remote nature. It's highly recommended to use a reliable GPS device or a detailed map to ensure you stay on track and don't miss the turn-off, especially given the rugged and challenging terrain.

Given the loop's length (nearly 20 km), significant elevation changes, and remoteness, you should pack plenty of water (especially for the exposed Guaje Ridge Trail), snacks, a repair kit for your bike, a first-aid kit, and navigation tools (GPS/map). Sun protection is also crucial due to exposed sections. Appropriate mountain biking gear, including a helmet, is essential.

The Guaje Ridge Trail makes up a significant portion of the loop, covering approximately 21% of the total route. This segment is known for its substantial downhill singletrack, descending nearly 2,200 feet.