Chepo Saddle to Mary Jane Loop

Komoot estimates the mountain biking duration for this 20.8 km (12.9 miles) loop to be approximately 2 hours and 20 minutes. However, this is an intermediate to expert route, so actual times may vary based on fitness levels, technical skills, and stops for views.

This loop is generally described as a moderately popular intermediate to expert route. It demands good fitness and, in some sections, advanced riding skills. The climb up Chepo Saddle is steep and unrelenting, and the descent on the Mary Jane MTB downhill trail is a technical, steep descent through the trees, with some very steep rocky sections.

The terrain is diverse, combining singletrack, paths, and forest service roads. The climb features technical rocky areas, though some ride-around options exist. The descent is characterized by steep, technical sections, especially on the Mary Jane MTB downhill trail. Riders should be prepared for potential mud, loose ground, and slippery rocks, particularly when wet.

The trail is located near Bass Lake in California's Sierra National Forest. While specific parking details aren't provided, trailheads for loops like this typically have designated parking areas. It's advisable to check local forest service information for the most current access points.

You can expect diverse and rewarding views, including occasional openings with views of Bass Lake. Highlights include the "spectacular exposed slick rock of Chepo Saddle" and potential backcountry camping spots near Slide Creek. Taking a break at Moon Rock is also recommended for its scenery.

Yes, the route incorporates several named trails and roads. You'll ride sections of Chepo Saddle Road, the Mary Jane MTB downhill trail, Willow Creek Trail, McCleod Flat Trail, and Cowboys Trail, among others like 6S88, 7S82, 6S13C, 6S13X, 6S11, and Shale Trail.

The trail can be affected by winter conditions, including mud, loose ground, and slippery rocks. The Mary Jane rock face is particularly challenging when wet. Therefore, it's generally best to ride during drier seasons, typically late spring through fall, to avoid these conditions and enjoy optimal trail quality.

As the trail is located within the Sierra National Forest, dogs are generally permitted on trails, but they must be kept on a leash. Always check the latest regulations from the Sierra National Forest service before heading out.

While there isn't typically an entrance fee for general access to the Sierra National Forest, certain activities or areas might require permits (e.g., wilderness permits for overnight stays, campfire permits). For day mountain biking on this loop, specific permits are usually not required, but it's always best to check the official Sierra National Forest website for any current regulations or fire restrictions before your visit.

Route finding can be tricky on some of the jeep roads, so carrying a GPS track is highly recommended. The Mary Jane MTB downhill trail rock face is particularly challenging when wet. You'll also cross Willow Creek Trail, which can have fast-flowing water, and offers swimming holes for cooling off.

Given the trail's difficulty and potential for tricky navigation, you should bring a GPS device with the trail track loaded. Carry plenty of water, as availability on the trail is not guaranteed. Appropriate mountain biking gear, including a helmet, protective padding, and tools for minor repairs, is essential. Be prepared for varying weather conditions and potential winter elements if riding outside peak season.