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.
DDO Facility Restoration and Revitalization Project Update: While the Richmond Hill David Dunlap Observatory remains closed, select astronomy programs are still being offered. View the list of all programs at RichmondHill.ca/RecGuide.
Richmond Hill is proud that the DDO continues to be a regional centre for education and public outreach related to astronomy.
Astronomy Series
We offer a variety of family programs, heritage tours, and lectures where participants can explore the night sky and learn about the cosmos.
Virtual Astronomy Programs
- Virtual Astronomy Speaker Night
- Virtual Ask an Astronomer - New this spring!
- Virtual Sunday Stargazing - New this spring!
- Virtual Up in the Sky
55+ DDO History Presentation and Tour
Join Heritage Services on a sit-down visual presentation followed by a tour of the administration building to learn about the history of the land and see the architectural features of this Beaux-Art style building. This tour also includes the opportunity to see the observatory's 74 inch telescope.
Please Note: The focus of this tour is the DDO Administration Building. Visits to the telescope will not be interactive.
DDO Administration Building Historical Tours
Join Heritage Services on a historical tour of the Administration Building to discover the history and architectural features of the Beaux-Arts style building. This tour also includes the opportunity to see the observatory’s 74 inch telescope.
Group Bookings
We hope to see you at the DDO in 2021. In the meantime, contact us for a virtual astronomy experience! Engage stargazers and science enthusiasts in our specialized educational programs tailored to your group’s needs. To check availability or to book a program, use our online DDO group booking request form.
Astronomy Programs for General Interest Groups
Programs are designed to provide an introduction to Astronomy for general interest and community groups. Astronomy content will be tailored to provide unique workshops and experiences for the public.
Ages: All Ages
Fee: $270 for 20 people, $13.50 per additional person
Availability: September to June, Weekdays (mornings, afternoons or evenings)
Astronomy Programs for School Groups
Programs meet Grade 3, 6, 9, and 12 Ontario Curriculum requirements but programs can be tailored to students from Senior Kindergarten through Grade 12.
Fee: $270 for 20 people, $13.50 per additional person
Availability: September to June, Weekdays (mornings or afternoons)
Astronomy Program for Youth Service Groups (e.g. Girl Guides, Scouts Canada)
Programs are tailored to satisfy the merit badge requirements of Astronomy, Space Science and Astronomy-related outdoor components for each age group.
Fee: $200 for 20 people, $10 per additional person
Availability: September to June, Weekdays (evenings)
DDO Administration Building Historical Tour
Come on a tour of the Administration Building to learn about the history of the land and see the architectural features of this Beaux-Arts style building. This tour includes the opportunity to see the Observatory's 74-inch telescope.
Ages: All Ages
Fee: $80 for up to 20 people, $2.50 per additional person
Availability: Year round
Please Note: As the Observatory and Administration Buildings are historic buildings, they do not meet existing accessibility standards. Access to both buildings is only by stairs. Washrooms and program rooms are located in the basement and on the second floor of the Administration Building and are accessible only by stairs. Both the Administration Building and the Observatory do not have elevators.