Alta Boulders is Chandler's premier indoor bouldering rock climbing gym with 20k sq. ft. of climbing, there something for everyone! Including yoga, fitness, indoor cycle, and a smoothie bar! Together with Walltopia, we designed a world-class gym with every type of bouldering terrain for professionals to beginners. We offer beginner to advanced climbing classes, youth climbing programs, and the most amazing community of climbers to help you feel welcome and a part of the Alta family.