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

Climb for Cancer Results

 Together, True North and Grand River Rocks raised $37,000.20 for the 5th Annual Climb for Cancer, held this past weekend!

Final Scores:
True North: 48 climbers
$14,662.85 raised
99,610 feet climbed
Total score = 128,935.7

Grand River Rocks: 66 climbers
$22,337.35 raised
144,963 feet climbed
Total score = 189,637.7

Congrats and thanks to all the teams that participated!  GO GRR!  Let the trophy polishing begin!!


Games, Prizes & Fun for All!

Our staff stayed late last night to practice all the games we have planned for tomorrow night’s GRR Staff Team Fundraiser for Climb for Cancer.  Come out from 7-10pm on Thursday to participate!  Tickets are a minimum $10 donation.  All proceeds go to Climb for Cancer (Princess Margaret Cancer Foundation).

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Climb for Cancer – May 25th

Climb for Cancer will be held at GRR on Sunday, May 25th from 12-5pm.  We will still be open for climbing, but please be aware that the easier routes (especially on the short walls) will be occupied by our Climb for Cancer teams during this time.   The boulder and any unoccupied routes will still be open.  Everyone is welcome to come cheer on our teams as well!

Want to participate or want more info?  Sign up online at 

Also, come out for a night of climbing fun and games this Thursday, May 22nd for our Staff Climb for Cancer Team’s fundraiser!   Milk crate stacking, chair bouldering, grip strength contest, rope swing.  $10 tickets.  7-10pm.   All proceeds go to the Princess Margaret Cancer Foundation.

Silent Auction for Climb for Cancer

This Friday though Sunday “The Air Traffic Controllers” will be having a silent auction with some climbing related art pieces at Grand River Rocks. Alongside this silent auction there will be scrumptious baked goods for sale. All proceeds go to the Climb for Cancer initiative that supports cancer research at Princess Margaret hospital.
Here is one of the items in the silent auction.