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Colorado Ski Country’s Most Challenging Mountain Bike Trails


If you’ve been practicing your mountain biking skills all summer, you might be ready to tackle these extremely challenging downhill and cross-country biking trails at Colorado ski resorts. 

Winter Park Resort

At Winter Park Resort, expert mountain bikers head for Rainmaker, the signature jump trail of Trestle Bike Park. The jumps may start small, but by the end, you’ll feel like you’re flying as you hit the doubles. This trail is ranked #1 at Trestle Bike Park and is the most famous of the advanced mountain biking terrain at Winter Park.


Telluride’s most difficult mountain biking trail, World Cup Downhill, features multiple mandatory airs, steep descent and advanced level features top to bottom. The Prospect Trail is Telluride’s most difficult cross-country trail as it gains over 1,000 feet with technical climbing sections along a narrow, single-track trail system with natural and unmarked obstacles scattered start to finish.


For cross-country mountain biking at Steamboat Resort, expert riders flock to Creekside, which has a constant and steep gradient with multiple creek crossings and many natural obstacles and flow-type features.

Downhill mountain bikers in the Steamboat Bike Park practice for Rawhide, a technical trail that incorporates natural features like rocks, roots, stumps and other challenging obstacles. The trail is steep and tight, requiring the bike handling skills of an expert rider.

Flow Trail Wall Ride


Purgatory re-opened a double black diamond expert trail this summer, the World Cup Downhill Trail, which is the original 1.8-mile World Cup Downhill course that was first established for the 2001 UCI Mountain Bike World Cup races.


Powderhorn’s Pinball Alley is the toughest trail with step sections, rock drops, and jumps that will make any advanced rider challenged.

Granby Ranch

At Granby Ranch, Stranger is a rocky technical downhill trail suited for expert riders.

Crested Butte

At Crested Butte, Psycho Rocks is the most challenging mountain bike trail. The name says it all, right? Psycho Rocks is the Evolution Bike Park’s most technical trail and starts with a series of technical features and then fast and flowing trail until riders must be prepared to select lines through massive boulders and extensive bridging.

Aspen Snowmass

Valhalla is the most difficult bike trail located in the Bike Park on Snowmass. The trail includes jumps, steep declines, technical turns and fun, dynamic terrain.