Travelers are voting Strike Valley - Features as the best valley near Boulder. There are 1 valley near Fairplay a city just 155 km from Boulder and 1 valley near Monte Vista which is 368 km distant. The most popular of these are South Park near Fairplay and San Luis Valley in Monte Vista. You can find 2 valleys in Colorado and 85 valleys in the country of United States. Our members favorite in Colorado is San Luis Valley and Monument Valley is the top pick in United States. Want more? Check out our map of valleys near Boulder.