For those seeking a challenge, Summit County is home to world-class mountain biking trails. From smooth singletrack to technical descents, there’s something for every type of rider. Popular trails include:

• Flume Trails in Breckenridge: A network of intermediate trails with moderate climbs and stunning scenery.
• Peaks Trail: A scenic, intermediate ride connecting Breckenridge and Frisco through dense forests and wildflower meadows.
• Fremont Pass: A high-altitude challenge for experienced riders with rewarding views of the Continental Divide.
  For adrenaline junkies, downhill parks at resorts like Keystone and Copper Mountain feature lift-served trails designed for high-speed descents and technical terrain.