When people picture Colorado, they usually think of jagged mountain peaks, rugged hiking trails, and extreme cycling. They don't typically picture open water and swimsuits. 

But locals know a secret: summer in the Rockies is just as enjoyable on a paddleboard as it is in the evergreens. From hidden glacial reservoirs at 9,000 feet to expansive, wake-free oases just minutes from the city, the Centennial State has become a paddleboarding paradise.