Surfing is one of the most enjoyable sports on Earth. Unfortunately for us mountain types, waves aren’t always that close. If you live in Montana, Wyoming, or Idaho, you’re really not close to waves. Unless you open your mind and get into surfing some of the great river waves these mountain states have to offer. “In the rush of water spilling from the high mountain peaks of Montana, Wyoming and Idaho, surfers are finding standing waves that move with life and never end.