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! 



CElebrate your next birthday with a rock climbing party!


  • Facility orientation

  • Exclusive access of our private party room for two hours: climbing walls for all ages and abilities, a small top-out kids bouldering wall with a slide, and the use of 7 auto-belay systems. 

  • Parties DO NOT include access to the FULL facility.

  • First 1 - 1.5 hours: Unlimited climbing with our experienced belayers and expert birthday party throwers

  • Last 30 min - 1 hour: Food + Presents in our private party area

  • Climbing harnesses

  • Basic climbing instruction

  • Picnic Tables, Sink, Refrigerator, Set Up, and Clean Up

  • The extra special birthday kid will receive a birthday gift from Onsight Rock Gym: Drawstring bag, T-shirt, Carabiner keychain, and Sticker

  • All party guests will receive a free return day pass to Onsight 

  • COST: $25/participant. Minimum of 6 participants, maximum of 20 participants. Onsight Members receive 10% Discount* on Birthday Party Bookings!

*10% Member discount applied at checkout. You must inform a staff member that you and/or your child that is having his/her birthday is a Member at Onsight during checkout in order to receive your discount.

  • CUSTOM PARTY FAVORS (Optional): $7/each (Includes: Onsight drawstring bag, Onsight sticker, Onsight carabiner keychain, Clif Kids Organic Z Bar, Fruit Snack, and a Bottle of Water)

ADD PIZZA (Optional)$15 for each one topping 14-inch pizza from Sergeant Pepperoni's!

MINIMUM ORDER OF 2 PIZZAS. Each pizza serves an average of 6-8 kids. Price includes delivery fee + tip. Plates/Napkins/Utensils included with pizza order. Drinks not included.

Topping choices: CheesePepperoni, Ham, Bacon, Sausage, Chicken, Green Peppers, Pineapple, Mushroom, Spinach, Feta

ADD DRINKS (Optional): $1 each - Organic Juice Box


Saturdays: 10:30 AM - 12:30 PM, 1 PM - 3 PM, 3:30 PM - 5:30 PM, 6 PM - 8 PM

Sundays: 10:30 AM - 12:30 PM, 1 PM - 3 PM, 3:30 PM - 5:30 PM

Additional days and times may be available upon request.

Other Important Information

All participants, chaperones, and spectators MUST complete our online waiver PRIOR to arrival. All participants under the age of 18 will need an online waiver signed in advance by his or her parent or court appointed legal guardian. 

  • Parties begin promptly at the scheduled time. Please make sure guests arrive 15 minutes early to ensure a smooth check-in.

  • Due to the size of the private climbing area, we ask that groups with 12 or more participants limit the number of non-climbing spectators.

  • We require one active adult chaperone for every 4 participants 12 years and under

  • A deposit of $100 is required at the time of reservation. Deposits are non-refundable on cancellations made less than 1 week prior to the event. Deposit amount will be applied to the total cost of the party.

  • Minimum of 6 participants is required

  • Parties must be scheduled at least 2 weeks in advance. Final participant count must be confirmed at least 1 week in advance.

  • Age requirements: 3 - 18 years

  • Groups must supply all food, plates, cups, napkins (unless using Onsight's pizza delivery and/or drink option) and party decorations.

  • Participants encouraged to wear comfortable clothing and athletic shoes. Climbing shoes will be available for rent for $4.

What Others are Saying about Onsight's parties

"The staff were so patient with the kids, and everyone had a blast. I would HIGHLY recommend Onsight for a birthday party!" 

"According to my son this was the best birthday party ever. The kids loved it and this mom did as well! Highly recommend."

"Great birthday party for my son. What an awesome experience. Thank you for a memorable time. We will definitely be back!!!"

"We had our 7yo son's bday party at Onsight Rock Gym! It was, by far, one of the best birthday parties we have ever been to!"

"We had my son's birthday party here and it was wonderful! The staff was very friendly and went above and beyond to meet our needs. The private party room was awesome and the kids loved it. All the other parents were very impressed as well and want to book their next parties here. We will definitely be back!"

"They were all very professional, friendly and knowledgeable. It was a blast. Everyone had a great time."

"We had my 8 year olds birthday party here! Awesome place! Awesome staff! It's hard to have a birthday party in January that everyone loves and everyone loved it!"

"Had my daughters' 10th and 13th birthday parties at Onsight. It was fabulous! The staff was knowledgeable, helpful, and enthusiastic the kids had a wonderful time and can't wait until we can visit again."