Boulder Rock Club2829 Mapleton Ave., BoulderBRC is an OG in the indoor climbing game, having opened its doors in 1991 to the Boulder County community. G1 Climbing + Fitness8845 W. 116th Circle, BroomfieldSporting over 100 climbing routes and 30 group fitness classes (per week! ), G1 Climbing + Fitness is holding it down in Broomfield. Courtesy: G1 Climbing + FitnessMovement Climbing, Yoga & Fitness2845 Valmont Road, BoulderAdditional locations in Denver, Golden and CentennialOf all the options on this list, Movement sports the biggest network, with six outposts in Colorado, and another 28 locations across the country. Don’t sleep on their summer deal: unlimited climbing, yoga and fitness for $245 through Aug. 31.