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! 



  • All classes are for ages 13 and over unless otherwise specified. Have a child 12 and under who is interested in learning more about climbing? Sign up for a 5-Week Climbing Academy Course.
  • All classes include Day Pass (to climb the remainder of the day of the class) and Rental Gear
  • Bookings must be made and paid for more than 48 hours in advance. Walk ins may be available on occasion but not guaranteed. 
  • Reservations must be cancelled at least 48 hours in advance for a full refund. 
  • Please check our calendar for current availabilities

Intro to Climbing

Learn the basics of top rope belaying, knot tying, and climbing technique in this hands-on class. Designed for those with no previous climbing experience, this course teaches the necessary skills required to climb independently at Onsight Rock Gym. Upon completion of this class and after proper demonstration of learned skills, you will be receive a temporary Top Rope Belay Tag for the day. You are then free to climb for the remainder of the day or until your arms give out! You must return on a separate day to take the official Top Rope Belay and Climbing Test.

Prerequisites: None  •  Length: 90 minutes •  Includes: For guests: additional return day pass + rental gear to use within 2 weeks of your class date.

PLEASE NOTE: If you have a group of 6 or more people, you may want to book a group Intro to Climbing Class.

Cost: Members: One class FREE, Non-Members: $35

Offerings: Tuesdays and Thursdays 6:00-7:30pm, Sundays: 1:00-2:30pm

Additional days/times may be available upon request. Please contact us for information.

Family Intro to Climbing

This class is a perfect way for a family to spend quality time together doing something new, challenging, and fun!  During this 2 hour session, one of our experienced staff members will belay the kids as they climb while the adults take our Intro to Climbing Class and learn the necessary skills to top rope belay. Upon completion of the belay class and once the adults have properly demonstrated learned skills, they will receive a temporary Top Rope Belay Tag for the day. The whole family can then climb together for the remainder of the day! No experience is necessary. Adults must return on a separate day to take the official Top Rope Belay and Climbing Test. 

Prerequisites: Children must be 6 years of age or older  •  Length: 2 hours  

Includes: FREE return day pass for all participants to use within 2 weeks of your class date.

PLEASE NOTE: Adults must book with a minimum of 1 child and a maximum of 4 children.

Cost: Members: $15 per person, Non-Members: $30 per person

Offerings: Third Friday in March, June, September, December: 6:00-8:00 PM

Lead Climbing 1

This introductory 2-part class provides a comprehensive instruction on indoor lead climbing and belaying. Lead climbing is often the next step in rock climbing for the seasoned top rope climber and offers a new level of mental and physical challenges. During this class, we will cover all the basic techniques and skills of lead climbing. You will learn to how to safely take a lead fall and how to provide a soft catch in the event of a fall. We will make every effort to emphasize efficiency and risk management. Upon completion of this class, most participants should be ready to take the Lead Belay and Climbing Test. Participants must return on a separate day to take the Lead Belay and Climbing Test. 

Prerequisites: Top Rope Belay Tag, Ability to climb 5.10b. If only one person is signed up for the class with only 48 hours remaining until the scheduled start time, the class will need to be rescheduled.          •  Length: 2 classes, 2 hours each

Cost:  Members: $45, Non-Members $60

Offerings:  3rd and 4th Fridays each month: 7:00-9:00 PM

Lead Climbing 2

A perfect follow up class to the completion of Lead Climbing 1. Come and learn how to elevate and improve yourself as a sport climber. One of our high level sport climbers will cover the essential mental and physical techniques necessary to climb your best on the sharp end. We will also teach you how to smoothly and comfortably catch your partners on lead by discussing and practicing some advanced lead belaying techniques.

Prerequisites:  Lead Belay Tag  •  Length: 2 hours

Cost:  Members: $25, Non-Members $35

Offerings: Fridays (Once a Month): 7:00-9:00 PM

Technique 1

Learn how to move effortlessly on the wall at any angle! In this class, you will learn the fundamentals of energy conservation on the wall, including but not limited to, route reading, body positioning, footwork, and rests.

Prerequisites: None! Anyone is welcome  •  Length: 1 hour

Cost: Members: $15, Non-Members $30

Offerings:  Mondays (Once a Month): 7:00-8:00pm

Technique 2

The Technique 2 class is a great follow-up for Technique 1 or for those climbing at the 5.9-5.10 level who feel stuck! In this class you can learn about body positioning for climbing on slopers, using advanced footwork such as the heel hook and drop knee, and improving overall efficiency in climbing technique.

Prerequisites: None. Ability to climb 5.9 or Technique 1 is recommended  •  Length: 1.5 hours

Cost: Members: $15, Non-Members $30

Offerings:  Wednesdays (Once a Month): 7:00-8:30pm