The Hi-Line is a bouldering gym here in Great Falls, MT. They provide climbing, classes, birthday parties, camps and much much more. All ages and abilities are welcome at The Hi-Line. If you have years of experience or you have never climbed before, The Hi-Line team are there to help you. Go by yourself, go with a friend or a group of friends. You can climb any time during their business hours and your pass is good ALL day. You can bring your own climbing gear, but they do have rentals available if you don’t own your own shoes and chalk bag.