Black Hawk Pass via Colorado Trail & Hermosa Peak Road loop gravel

While the specific trailhead parking isn't detailed, the route often involves riding up Hermosa Park Road (FSR 578). You'll likely find parking options near the start of this road, which serves as a common access point for the Hermosa Creek Special Management Area.

No, this loop is considered difficult and is not suitable for beginners. It's described as a 'Hard bike ride' or 'Advanced' and requires 'Very good fitness' due to its substantial elevation gain and challenging terrain, including black diamond singletrack sections.

The terrain is diverse and demanding, despite being a gravel loop. You'll encounter approximately 20.2 km of singletrack, 17.6 km of path, and 3.92 km of road. Expect rough double-track, well-maintained narrow dusty switchbacks on Hermosa Park Road, and sections that can be loose, rocky, and rooted. Some parts may even require pushing your bike.

The most popular months for cycling this loop are June through October. During summer, the area transforms into an 'alpine wonderland of wildflowers and rugged mountain peaks'. However, be prepared for potential storms, especially in the high country.

The Black Hawk Pass loop is located within the Hermosa Creek Special Management Area, which is part of the San Juan National Forest. While specific entrance fees for the area are not typically required, strict travel management rules apply. Always stay on designated trails. It's advisable to check the official San Juan National Forest website for any current regulations or permit requirements before your visit.

The Hermosa Creek Special Management Area generally allows dogs, but they must be kept on a leash. Always practice Leave No Trace principles and be mindful of wildlife and other trail users.

You'll experience an 'incredible wild backcountry' with 'spectacular vistas' and 'whispering aspens'. Key highlights include views Below Blackhawk Mountain and panoramic 360-degree views of the San Juan Mountains from the Colorado Trail segments. You'll also pass through Blackhawk Pass and along Hermosa Peak Road, with jaw-dropping views of North Twilight Peak in Hermosa Park.

Yes, this loop incorporates significant sections of the historic Colorado Trail, specifically Segment 26 (also known as Blackhawk Trail). It also utilizes parts of Hermosa Park Road, West Cross Trail, and Hermosa Peak Road, among others.

The area is known for its 'Outstanding Waters', 'native cutthroat trout', and some of Colorado's 'largest conifers'. You'll traverse 'old-growth forests' and experience an 'alpine wonderland of wildflowers' during the summer. Keep an eye out for various wildlife typical of the San Juan Mountains backcountry.

The estimated time to complete the 41.7 km (approximately 26 miles) loop is around 4 hours and 20 minutes. However, given its 'difficult' rating and substantial elevation gain, actual completion times can vary significantly based on fitness levels and trail conditions.

Given the challenging terrain and backcountry nature, you should bring plenty of water, high-energy snacks, navigation tools (GPS, map), a repair kit for your bike, appropriate layers for changing mountain weather, sun protection, and a first-aid kit. Be prepared for self-sufficiency as services are limited.