Copper Mountain bikes on the haul at Copper Mountain.

When the snow melts and all that’s left of Colorado’s ski resorts are the seemingly endless trails, rushing mountain water, bright green aspen glades and wildflower-covered meadows, what is there to possibly do?

Mountain biking, of course.

Seven Colorado ski resorts open their lifts for the summer to avid mountain bikers, offering a downhill alpine thrill accompanied by a warm breeze and thriving wildlife. Wind around a single track, maneuver a rocky technical, hop over tree roots and “eat dirt,” as they say, right in the backyards of Vail, Aspen, Crested Butte and others.

Whether you’re a beginner, looking to improve or are a double-black-diamond expert, discover these world-renowned ski resorts on bike and miles of action-packed, Rocky Mountain trails.

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