Sign mandatory waiver before climbing

GRR Hours:

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


The Pebbles Program (Ages 4-14) on Saturday Nights


Saturday @ 5:30-7:30pm — ages 4-14  
Runs all year!
$15+tax per child (includes harness rental) 

For this program, we provide belay staff and harnesses.  Parents MUST stay for supervision.  Please show up 15-30 minutes early to check in and get harnessed.  Upon arrival, just check in at the front desk.   Bring running shoes or rent climbing shoes for $5!  NO groups or parties please.  Each child must have his/her own parent present.  

– To pay online: Create a login & choose ‘BOOK’ for Pebbles.  Pay $15 through PayPal to reserve your spot.
NO REFUNDS once paid.

Anyone under 18 MUST have a minor waiver signed by their own parent or legal court-appointed guardian.  NO EXCEPTIONS!


Rubble Rebels (Ages 6-17)

Registration for Summer 2022 will OPEN Tuesday May 31st 2022 @ 12pm

Tues & Thurs 5-7pm (ages 6-15)  – Tues June 28th 2022 – Thurs Sept. 1st 2022

10-weeks — includes rental gear on Rebels nights, belay lesson for ages 13+, and a 10-week membership

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

Cost: $380 +tax

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 June 17th 2022 or your spot will be forfeited to the next person on the waitlist. You may only reserve 2 spots at a time. If you have any questions or wish to be added to the waitlist, please contact the gym at 519-742-1389.

Youth Team (Ages 8-18)

Registration is currently CLOSED. 

Mondays, Wednesdays, Fridays 7-9pm

For this program, our coaches provide instruction on advanced climbing techniques and skills required for competitive climbing. The curriculum focuses on boulder, top-rope, and lead climbing (for ages 13+). Participants are required to compete in a minimum of 2 local and 1 regional competition, as well as any competition hosted by GRR.