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! 

3rd Anniversary Open House

Onsight Is turning three and you are invited to our party!!

SATURDAY • April 27, 2018 • 10 A.m -3 P.m

Get ready for an awesome day of celebrating our third year in Knoxville! We will be hosting an open house on Saturday, April 27 from 10 A.M to 3 P.M.!

$10 day passes w/ rental harness (while supplies last) | local vendors such as REI, Navitat, Lululemon and more | Face Painting | Juggling | Climbing Bingo and other games and more!

Come party and celebrate with us! 


Lost and Found Sale!

Climbing Bingo/Games

$10 day passes!

Hunt for Golden Tickets (Limited to 1 Golden Ticket per person) hidden throughout the gym to win lots of freebies including day passes, gift cards, Onsight swag, monthly memberships, and MORE!

Youth Tables - learn about our recreation programs, competitive programs, summer camp and more!

Oh and don’t forget the cake!


10:00 AM - Doors Open to Everyone with Discounted Day Passes for $10/person, INCLUDES rental harness while supplies last!

10:00 AM - 3:00 PM -  Climb til you drop!

11:00 AM - 2:00 PM - Lunch available for purchase from Lanai Food Truck

11:30 - AM - 1:30 P.M - Face Painting available!

2:00 PM - Crate Stacking!

3:00 PM - Party ends but don’t worry you can keep on climbing!