In business since 1992, Phoenix Rock Gym is Arizona's largest indoor climbing center with 30 foot high walls and over 12,000 sq. ft. of climbing surface. Experience the vertical world of climbing as never before, indoors at the Phoenix Rock Gym. No experience is necessary. Even if you've never touched a rope in your life we will teach you the skills needed to climb safely. All you need is your sense of adventure! If you already have your own climbing gear, bring it, otherwise rentals are available.