North Tenmile Creek Trail Breckenridge is a premier hiking destination in Breckenridge, Colorado, covering 10.0 miles with 2200ft of elevation gain. Stats: 10.0 miles, 2200ft gain, Moderate. Type: Out-and-Back. Surface: Dirt. Time: 5-6 hours. Fee: Free. Dogs: Yes. Permit: No. Wildlife: elk, mule deer, black bears, marmots, pikas, golden eagles, American dippers. Best seasons: June through October; wildflowers peak in late July; fall foliage along the creek is spectacular. North Tenmile Creek offers one of Summit County's finest valley hikes — a wide canyon trail that climbs from Breckenridge through spruce-fir forest past beaver ponds and wildflower meadows toward the Continental Divide. Pack plenty of water — desert and high-altitude trails demand more hydration than you expect. Layers are essential above 10,000 feet. Leave No Trace: stay on designated trails, pack out all waste, and respect wildlife and other visitors.