Sign mandatory waiver before climbing

GRR Hours:

Mon-Fri     12-11pm
Sat     10am-10pm
Sun     10am-8pm
Members Only:
Tue, Wed, Thu:     6:30am-9am
Grand River Rocks Gym Tour

What's New

Rubble Rebels is still open!

We still have spots open in BOTH Rubble Rebels sections!   Call us at 519-742-1389 to reserve your spot!

Tour de Bloc at GRR

CrossFit & Climb March Break Camp

Registration for our CrossFit & Climb March Break Camp is now open!

PD day camp registration

Rubble Rebels registration

Registration for the Spring session of Rubble Rebels will open on Friday, January 19th at 7pm.

Grand River Rocks Climbing Gym

We are the premier indoor climbing gym in Kitchener-Waterloo. We have bouldering problems and top-rope/lead routes of various difficulty from beginner to seasoned climbers.  We offer yoga & fitness classes, camps, youth programs, parties, guided climbs, and lessons.



Events Calendar

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Gym Map & New Routes

Click on the map below for more details.

Our Location

New to Climbing?

It's easy to get started

Climbing is for anyone, young or old. We have climbing ranging from beginner to expert.

All minors must arrive with a signed waiver. Minor’s waivers may only be signed by their own parent or legal guardian.

Get Started