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 2015

It’s that time again!
This year there are 3 gyms competing! On May 3rd, Grand River Rocks will be competing against True North and Rock Oasis! Last year GRR alone raised $22,337 for cancer research. Over the past 5 years, Climb for Cancer has raised a total of $81,864. Get a team together and sign up today! Check out the website for more information on the fundraiser!


Borden Ave closures

Borden ave is closed in some areas. You cannot access the gym from the Courtland ave side, you must enter from the Charles st side.


We are CLOSED today for Tour de Bloc. Finals start at 6pm if you want to come watch!



Wednesday, Feb 18
BOTH BOULDERS CLOSED / all roped walls & auto-belays open

Thursday, Feb 19
BOTH BOULDERS CLOSED / all roped walls & auto-belays open

Friday, Feb 20

Saturday, Feb 21
GYM CLOSED for Tour de Bloc / Spectators welcome / Finals start at 6pm
Pebbles cancelled 

Sunday, Feb 22
Regular hours (10am-8pm) / everything open