CR 317 Gravel loop

The estimated duration for completing this 36.5 km (22.7 miles) loop is approximately 2 hours and 42 minutes of active cycling time. This can vary based on your fitness level, the type of bike you're riding, and how often you stop to enjoy the views.

The terrain is varied, offering a true gravel cycling experience. While some sections might be paved, you should expect significant stretches of gravel, potentially including sand, small rocks, and narrow roads with slopes. Some parts feature 'roller-coaster like humps' that are fun but not overly technical. Tires at least 38mm wide are recommended for comfort and traction.

The route is generally rated as a 'moderate bike ride' requiring 'good fitness'. While some descriptions suggest it's suitable for all skill levels, the varied terrain and approximately 260 meters (850 feet) of elevation gain mean beginners should be prepared for a solid workout. It's not an overly technical trail, but it's not entirely flat either.

You'll be treated to breathtaking views of the Collegiate Peaks throughout the ride. Specific highlights include The Riverside Trail, Railroad Tunnels on CR 371, and the scenic County Road 371 — gravel route along the Arkansas River. The route also passes near East Main Street (Downtown Buena Vista), offering amenities before or after your ride.

The loop is easily accessible from the town of Buena Vista, Colorado. You can typically find parking within or near downtown Buena Vista, which serves as a convenient starting and ending point for the loop. Specific trailhead access points may vary, but starting from town allows for easy access to amenities.

The best time to cycle this route is generally from late spring through early fall. Summer offers warm weather, but be prepared for rapid weather changes typical of high-altitude environments. Fall provides cooler temperatures and potentially stunning foliage. Always check local weather conditions before heading out.

Yes, the route incorporates sections of several other paths. You may find yourself on parts of the Midland Bike Trail, Arkansas River Trail, Whitewater Trail, Unmarked Rugged Trail, Vitamin B, Bridge to Bridge, North Trail, River Park Bridge, Whipple Trail, South Trail, Zebulon Pike, Camp Elevation North, and 1450.A.

Generally, dogs are allowed on gravel roads and trails in the Buena Vista area, especially within the Fourmile Travel Management Area. However, they must be kept on a leash at all times to protect wildlife and ensure the safety of other users. Always practice Leave No Trace principles.

As of current information, there are no specific permits or entrance fees required to access and cycle the CR 317 Gravel loop within the Fourmile Travel Management Area. However, it's always a good idea to check with the local Bureau of Land Management (BLM) office for any updated regulations or fire restrictions before your visit.

The route offers spectacular scenery, with 'breathtaking views of the Collegiate Peaks' around nearly every turn. You'll also get glimpses of the Arkansas River Valley and ride parallel to the Arkansas River in some sections. Keep an eye out for rock climbers on large formations and the historic railroad tunnels.

Given the moderate difficulty and varied terrain, it's recommended to bring a gravel bike with tires at least 38mm wide. Essential items include plenty of water, snacks, sun protection (sunscreen, hat), layers of clothing for changing weather, a basic bike repair kit, and a map or GPS device. Cell service can be spotty in some areas.