The Town of Richmond Hill did a great job putting all the outdoor basketball courts in the Google Map Link below.
Richmond Hill Outdoor Basketball Hoop Google Map Link
The courts are near the pin. If you use satellite view and zoom in you get a great feel for the court. One of the better courts is Mary Dawson Park.
Some other towns close to Richmond Hill also have their outdoor hoops listed.
Markham Outdoor Basketball Hoops Google Map Link
Vaughan Outdoor Basketball Hoops Google Map Link