Nathrop and Mount Princeton Hot Springs loop

The loop typically starts and ends in Buena Vista. You can find parking options within the town, which serves as a convenient hub with amenities. There isn't a specific designated trailhead parking lot for this road cycling loop, but public parking is available in Downtown Buena Vista.

The best time to road cycle this loop is generally from late spring through early fall. The fall months are particularly scenic, with vibrant golden colors in the forested areas. While the route is mostly paved, winter conditions can bring snow and ice, making it less suitable for road cycling.

No, you do not need any specific permits or pay entrance fees to cycle the Nathrop and Mount Princeton Hot Springs loop. It primarily uses public roads and does not pass through areas requiring special permits for cycling.

While parts of the surrounding area are within San Isabel National Forest, this road cycling loop primarily follows paved county roads. Standard road cycling rules apply. Always be aware of traffic, and respect any posted signs or regulations if you venture onto unpaved forest service roads.

This is a road cycling route, so while dogs are generally allowed in vehicles on public roads, it's not typically considered a 'dog-friendly' trail for them to run alongside you. If you bring a dog, ensure they are safely secured in a bike trailer or vehicle, and always follow local leash laws and regulations in any towns or public areas you pass through.

The loop primarily features well-paved surfaces, though some sections might be unpaved but still manageable for road bikes. It starts with a gentle descent out of Buena Vista, followed by a significant climb on County Road 162 (CR 162) towards Mount Princeton. Be prepared for a very steep section on Chaffee County Road 321 (CR 321) just past Mount Princeton Hot Springs Resort, which lasts for about a mile. The return to Buena Vista is a rewarding gentle descent.

You'll be treated to panoramic views of the Sawatch Range, including Mount Antero and Mount Princeton, as well as the Arkansas River Valley and the Collegiate Mountains. Key points of interest include the spectacular Mount Princeton Hot Springs Resort, the distinctive Chalk Cliffs, and the historic Maxwell Park one-room Schoolhouse on the return leg to Buena Vista.

The loop is approximately 22.5 miles (36 km) long. For an average road cyclist, it typically takes around 1 hour and 45 minutes to 2 hours to complete, depending on your pace and how often you stop to enjoy the views.

Yes, the route briefly passes through sections of other well-known paths. You'll encounter parts of the Collegiate East trail and the Colorado Trail Seg. 13 North Cottonwood Creek Road to Chalk Creek Trailhead.

This loop is generally considered an intermediate or moderate ride, suitable for cyclists with good fitness levels. The significant climb on CR 162 and the very steep section on CR 321 make it challenging for beginners. While families with experienced, fit riders might manage, it's not typically recommended as a beginner or casual family ride due to its difficulty.

The climb on Chaffee County Road 321 just past Mount Princeton Hot Springs Resort is known for being very steep for about a mile. Locals often recommend saving some energy for this section and using your lowest gears. The reward is a fantastic descent back towards Buena Vista afterward.