Mount Princeton Hot Springs Resort and the Chalk Cliffs from Nathrop

The route typically starts from Nathrop. Parking is generally available in Nathrop or nearby Buena Vista, which serves as a popular hub for outdoor activities in the area. Specific trailhead parking for this exact route isn't explicitly mentioned, but you can usually find suitable parking in these towns to begin your ride.

The fall foliage season, particularly mid to late September, is highly recommended for cycling this route due to the vibrant golden hues of the cottonwood and aspen trees. Generally, the warmer months offer the best conditions for touring cycling in this region.

No specific permits or entrance fees are generally required for cycling on the public roads and trails within the San Isabel National Forest that this route traverses. However, always check local regulations for any updates, especially if venturing onto private land or specific recreational areas.

The primary route from Nathrop to the Chalk Cliffs largely follows well-paved roads, mainly County Road 162 (Chalk Creek Drive). While generally moderate, be prepared for some unexpectedly steep grades, including one paved section on CR 162 with an 18% incline. The route involves a considerable elevation gain and loss, ranging from 7,706 feet to 9,084 feet in altitude. Beyond about 10.5 miles from Nathrop, the road transitions to hard-packed dirt.

You'll be treated to breathtaking mountain vistas, passing through picturesque grasslands and a valley adorned with cottonwood and aspen trees. Key highlights include continuous views of prominent peaks like Mount Princeton, Mount Yale, Mount Columbia, and Mount Antero. A major highlight is the close-up view of the majestic Chalk Cliffs, a unique geological formation. The route also passes directly by the Mount Princeton Hot Springs Resort and offers views of Chalk Lake and Cliffs.

This touring bicycle route is approximately 28.4 kilometers (17.6 miles) long and typically takes around 1 hour and 48 minutes of moving time to complete. This duration can vary based on your cycling speed, stops at points of interest, and the specific conditions of the day.

Yes, sections of this route intersect with or run parallel to several other trails. You'll find it overlaps with parts of the Collegiate East, Colorado Trail Seg. 13 North Cottonwood Creek Road to Chalk Creek Trailhead, Colorado Trail Seg. 14 Chalk Creek Trailhead to US-50, and Angel Falls Chalk Cliffs.

Yes, you can extend your ride. Beyond the paved sections, the road transitions to hard-packed dirt around 10.5 miles from Nathrop. This unpaved section is manageable on a road bike for those comfortable with gravel and can lead all the way to the historic ghost town of St. Elmo, adding an element of exploration to your trip.

The route is generally considered moderate due to its elevation changes and some steep grades, including an 18% incline on CR 162. While the region caters to various skill levels, beginners should be prepared for these challenging sections. Families with younger or less experienced riders might find parts of the route demanding, especially the steeper climbs.

Given the varied terrain and potential for elevation changes, it's advisable to bring plenty of water, snacks, sun protection, and appropriate layers of clothing. A repair kit for your touring bicycle is also recommended, especially if you plan to venture onto the unpaved sections towards St. Elmo. Binoculars can enhance your wildlife viewing and appreciation of the mountain vistas.

While the route primarily follows public roads, specific regulations for dogs on bikes or along the roadside can vary. Generally, dogs are allowed in the San Isabel National Forest, but they must be kept on a leash. Always ensure your dog is comfortable with cycling and that you have provisions for their water and waste.