Carbondale to McClure Pass

The one-way ride from Carbondale to McClure Pass is approximately 40.8 km (25.3 miles) and takes around 3 hours and 50 minutes to complete for an average racebike cyclist. This duration does not include stops for rest or sightseeing.

The route primarily follows CO 133 and is considered a moderate to hard road cycling endeavor. The initial 34 km (21 miles) from Carbondale feature a relatively gentle average grade of about 2%. However, the final 5 km (3 miles) to the summit of McClure Pass are considerably steeper, with grades frequently reaching 6-9% and even intervals of 10-12%. The road surfaces are generally well-paved, making it a classic 'climber's' ride with challenging switchbacks towards the summit.

You can typically find parking in the town of Carbondale, which serves as the starting point for this route. Specific parking areas for cyclists may vary, so it's advisable to check local regulations or designated parking lots within the town before your ride.

The route offers spectacular views through the Crystal River Valley. You'll pass through the charming town of Redstone, known for its unique architecture, and the Redstone Coke Oven Historic District. Hays Falls is another picturesque point of interest. As you ascend, you'll enjoy views of rapids, waterfalls, lush forests, striking red rock formations, and dramatic cliffs. From the top of McClure Pass, the views of the surrounding valley are consistently excellent.

Due to the significant elevation gain and the steep grades in the final miles to McClure Pass, this route is generally not recommended for beginners. It requires good to very good fitness and experience with challenging climbs. Cyclists new to road cycling or steep ascents may find it overly demanding.

The best time of year for this ride is typically late spring through early fall (May to October), when the pass is clear of snow and weather conditions are most favorable for cycling. Always check local weather forecasts and road conditions before heading out, as mountain weather can change rapidly.

Yes, the route utilizes significant sections of the Crystal Valley Trail. It also briefly intersects with parts of the ADT - Colorado C - Q - Seg 5 and ADT - Colorado C - Q - Seg 6.

While the route primarily follows a state highway (CO 133), which doesn't have specific dog restrictions, cycling with dogs on busy roads can be unsafe. If you plan to bring a dog, ensure they are securely leashed and consider the safety implications of road cycling with pets. Always adhere to local leash laws and regulations, especially in any park or trail areas you might access.

The cycling route itself, primarily on CO 133, does not typically require specific cycling permits or entrance fees. However, parts of the area are within the White River National Forest boundaries, and the broader region is adjacent to the Maroon Bells-Snowmass Wilderness. If you plan to venture off the main road into designated wilderness areas or specific recreational sites, you may encounter permit requirements or fees. Always check with the US Forest Service for the latest regulations regarding the Maroon Bells-Snowmass Wilderness and surrounding areas if your plans extend beyond the main road cycling route.

The charming town of Redstone, located along the route, offers a great opportunity for a break. You can find local shops, cafes, and restaurants there to refuel and enjoy the historic atmosphere before continuing your climb to McClure Pass.

The key to successfully conquering this ride is to conserve energy during the initial 34 km (21 miles) of gentle climbing. The real challenge lies in the final 5 km (3 miles) to the summit of McClure Pass, where grades become significantly steeper. Pacing yourself early will allow you to tackle the demanding switchbacks and enjoy the rewarding views from the top.