Ottawa:

1. Brookfield High School, Room 202, Saturday afternoons 12:30 to 3: 30 PM,  the last week of Sept to mid June, Travel by car to the airport along Bronson. Turn right to exit Bronson off the Brookfield ramp. You'll see the school right there. Or, travel by bus to Billings Bridge and transfer to the right bus that stops in front of the school. 

2.  St. Nicholas High School, Admiral Road near Westgate Mall at Merivale and Carling Ave, Saturday mornings, 9 AM to 12 noon.  the last week of September to mid Dec, then January to June every year. Travel by car or bus to Westgate Mall. enjoy the short walk to the school. 

3. Tuesday nights, Rideau High School near Alta Vista and Walker

4. Bob McQuarrie Recreational Center in Orleans.

Richmond Hill: 34 May Ave, a half block off Yonge Street, north of Sixteenth Street, south of Major MacKenzie.  Turn at the Esso station. Four cars can park in the front circular driveway, otherwise park at the Mall on Yonge Street and enjoy a short walk.