Onsight Rock Gym

5335 Western Avenue

Knoxville, TN 37921

(865) 888-9123

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5335 Western Avenue
Knoxville, TN, 37921


Onsight Rock Gym is a brand new, world-class indoor rock climbing gym in Knoxville. Featuring over 12,000 sq feet of climbing surface and walls that soar over 50 feet tall, we are Knoxville's largest and tallest rock climbing gym. Onsight offers top rope/lead climbing and bouldering for all ages and abilities as well as a wide array of programming for adults and youth. Onsight even has a separate climbing room for private parties and events. We are proud to be a part of Knoxville's community! 


A glance at what Onsight Rock Gym has to offer.



  • More than 12,000 square feet of climbing wall surface with walls soaring over 50 feet tall

  • Professionally designed and built by Walltopia, the world's leading climbing wall producer

  • Diverse climbing terrain including top roping, lead climbing, auto belays, and bouldering for all ages and abilities

  • Expert route setting to the highest of standards

  • Classes for all ages and levels from introductory classes to advanced technique classes


  • Expertly designed, climbing specific training area complete with the beautiful custom built "Woodrow", a 45-degree training wall.

  • Progression and Transgression Hangboards, designed and developed by climbing coach, Eva Lopez, who has a doctoral thesis on finger strength training

  • Rock Prodigy Training Center, designed by Mike and Mark Anderson

  • Custom built campus board, free weights, squat rack, kettlebells, and other climbing specific training equipment

  • Yoga classes, members only clinics, training groups, and more

  • Personal coaching and training



  • Pro climber visits, film screenings, member appreciation events, charity events, and more

  • Sport climbing and bouldering competitions, private groups and parties, team building and other corporate events

  • Other amenities such as lounge area, observation deck, locker rooms, and WiFi throughout the gym

  • Meet others, socialize, and hang out in Knoxville's new climbing focused community hub


  • Upgrades to existing building to reduce energy consumption: LED lighting, paperless hand dryers, advanced insulation throughout the building

  • Repurposed materials from original building used to make: custom railings, coffee tables, retail racks, countertop supports, and more

  • Community raised bed gardens and edible landscaping with a variety of herbs.

  • Future development with environmentally conscious upgrades & improvements

Brands we proudly stand behind and carry: