Sign mandatory waiver before climbing

GRR Hours:

Mon-Fri     noon-10pm
Sat     10am-10pm
Sun     10am-8pm
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What's New

Rock Rascals

February Belay Lesson Special

For the month of February, book one lesson and get the second for FREE! Both people must be booked on one payment, and must be booked into the same lesson.

Learn how to tie knots, do safety checks, and belay for your partner! Our 2-hour lesson includes the harness rental for the day, and a 2-week membership to practice your new skills.

Subject to availability

Ropes 101

GRR Community Night

Summer Camps

Grand River Rocks Climbing Gym

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


Been to Go Bananas, but not Grand River Rocks? Things are a bit different, but just as awesome!


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