Welcome to Hangar 18 Indoor Climbing Gyms, home of Southern California's best indoor climbing. With over 50,000ft Square of textured climbing terrain, world-class bouldering, massive lead caves featuring routes up to 70ft long, a friendly and professional staff, and a variety of fitness and yoga classes, Hangar 18 Climbing Gyms are the perfect place for everyone from first-timers just looking to have fun to veteran climbers looking to push the threshold of their stamina and endurance to the next level, and from birthday parties to corporate team-building events. Our new Riverside location is a truly state-of-the-art facility, with one of the largest freestanding bouldering walls in the country and more than ten times as much roped climbing as any other gym in Riverside, and our Upland location features a massive bouldering wall, two huge toprope areas, an enormous lead cave, and a forty-foot long roof climb across the ceiling, forty feet off of the ground.