Sign mandatory waiver before climbing

GRR Hours:

Mon-Fri     12pm - 11pm
Sat     10am-10pm
Sun     10am-8pm
Grand River Rocks Gym Tour

What's New


There are still spots open for the 5-7pm Rubble Rebels program starting Feb 7th. Register now for ages 6-10.

PD day camps


There are still some spots left in the Jan 27th PD day camp!  Register at

Rubble Rebels

Forms for the Rubble Rebels registration are now up!  Please print them out and have them ready for registration on Wednesday at 5pm.



Rubble Rebels

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