Welcome to Breckenridge! We're glad you're here. There's a few things you should know before visiting Breckenridge that will help you enjoy your time in the mountains. Up here in Summit County, we're a bit higher than the rest of the world. Being at 9,600' above sea level has it perks; breathtaking (literally) views, world class skiing, mountain lifestyle... to name a few. Altitude Sickness Symptoms But don't be fooled, for some, the perks of being on top of a mountain come w