Access Richmond Hill
The Access Richmond Hill Contact Centre provides assistance for general inquiries, responds to questions or concerns regarding programs and services as well as accepts in person payments.
Contact Us
905-771-8800
Hours of Service:
Monday through Friday, 8:30 a.m. to 4:30 p.m.
Report Feedback
Report a problem with a service, e.g. missed garbage collection, overnight parking, potholes, street lights, etc.
David Dunlap Observatory
About the DDO
The David Dunlap Observatory (DDO) opened in 1935 and is located at 123A Hillsview Drive. A number of important studies have taken place here.
Astronomy Programs
There are programs for all ages at the DDO! Learn about what we have to offer and book your next big space adventure with us.
Ongoing Projects
The DDO Park Master Plan sets out a vision for the future enhancement, management and programming of the DDO Park, including woodlot restoration.