Sign mandatory waiver before climbing

GRR Hours:

Mon-Fri     noon-10pm
Sat     10am-10pm
Sun     10am-8pm

Rubble Rebels (6-17)


Summer 2024!
Registration for the Summer 2024 session will open on Monday May 13th at 12PM. You will be able to access the registration links via this page. Due to the high traffic we receive, the page might be slow right at noon. We appreciate your patience. Below is the information including dates and session information. 

Tuesday & Thursday Evenings (6-8pm)

Tuesday, June 4 – Thursday, August 22nd (20 sessions total). There will be a break for our move – dates of the break will be confirmed closer to the date.

10-weeks — includes rental gear on Rebels nights, belay lesson for ages 13+, and a membership during the session (please note, outside of the Rebels sessions, anyone under 13 needs to be supervised by someone over 13 who has been through our gym orientations).

This program is designed to introduce young climbers to techniques and training principles. It’s perfect for beginner or intermediate climbers. 

*Memberships for time outside of Rebels programming will be separate moving forward. *

Cost: $450 +tax
Rebels + Single gym membership: $585 + tax
Rebels + Dual gym membership: $625 + tax
Memberships are inclusive from June 3rd – August 22nd

The registration tickets posted for registration will become available on May 13, 2024 at 12PM.  You must get a ‘ticket’ on EventBrite in order to secure your spot.

If the tickets are sold out please email us at with your name, your childs name and birthday, and your prefered method of being contacted.

Acquiring a ticket only temporarily reserves a spot in Rebels. Grand River Rocks will e-mail you a personal link for your child’s registration and payment. Payment and registration must be submitted to Grand River Rocks by Friday, May 17, 2024 or your spot will be forfeited to the next person on the waitlist. You may only reserve 2 spots at a time.