403 Trail loop

The 403 Trail loop is rated as a black diamond difficulty with a hard physical rating, making it suitable for experienced mountain bikers. It features a demanding downhill section with steep, tight singletrack, chunky sections, roots, and wild switchbacks.

Based on average speeds, the 403 Trail loop typically takes around 2 hours and 28 minutes to complete by mountain bike. This duration can vary depending on your skill level and how often you stop to enjoy the views.

The primary access point for this loop is the Washington Gulch Trailhead. This is where many riders begin their ascent.

The trail offers diverse terrain, starting with a rerouted, gentler climb from the Washington Gulch side through beautiful meadows. After the initial climb, the descent is famously steep and tight singletrack, featuring chunky sections, roots, and challenging switchbacks. It's a high-alpine experience with sections reaching over 11,000 feet.

The trail is typically rideable from July onwards. Earlier in the season, you might encounter snow crossings in timbered, north-facing slopes. July and August are the most popular months, offering optimal conditions and vibrant wildflowers, while fall brings stunning golden aspens.

The 403 Trail loop is located within the Gunnison National Forest. Generally, there are no specific permits or entrance fees required for day use on trails within the National Forest, but it's always a good idea to check the latest regulations with the local Forest Service office before your visit.

Yes, dogs are generally allowed on trails within the Gunnison National Forest. However, they must be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users. Please remember to pack out all pet waste.

The trail is renowned for its breathtaking scenery, offering huge views of the Elk Mountains and the Crested Butte valley. Key highlights include the Schofield Pass Road section and the Mt. Avery Viewpoint. You'll pass through lush, flower-filled hillsides and shady aspen forests.

Yes, the route incorporates sections of several other trails. Notably, it includes parts of the Washington Gulch Trail and Paradise Basin Road. It also briefly touches the 401 Trail, which is often combined with the 403 Trail for a longer, more challenging ride.

For an even more epic and challenging experience, consider combining the 403 Trail with the famous 401 Trail. This combination creates a longer, more diverse, and incredibly rewarding ride that many consider a must-do in Crested Butte. Be prepared for a full day out!

As a high-alpine trail in the Gunnison National Forest, you might spot various wildlife. Keep an eye out for deer, elk, marmots, and a variety of bird species. Remember to observe wildlife from a distance and never feed them.