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


Did you know… our waivers have a lifespan? We’ve been open long enough now that we’ve reached renewal time! Yay for us! But this does mean if you’ve been with us long enough, you’ll have to resign our waiver. You can do this online or on your next visit! Please keep in mind minor waivers must be signed by the minor’s parent or legal court-appointed guardian.


The ORANGE boulder will be closed this week Wednesday and Thursday for some mat maintenance.

PD day camps

March Break

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