Richmond Hill David Dunlap Observatoryin-person Doors Open Richmond Hill

  • In-person
  • Adaptive reuse
  • Guided tours available
  • Kid-friendly
  • National Historic Site (Canada)
  • Parking
  • Site is protected by the Ontario Heritage Trust
  • Washrooms
  • Photography allowed
  • Rental opportunities
Richmond Hill David Dunlap Observatory

The Richmond Hill David Dunlap Observatory is a national historic site, designated under the Ontario Heritage Act. Opened in 1935, it was at the forefront of Canadian astronomical research, housing the then-largest telescope in Canada. Today, it is a facility for public education and outreach through city-run programs and partnerships. Please pre-register to tour the observatory and administration buildings.

Contact info

123 Hillsview Drive
Richmond Hill, Ontario
E-mail: heritageservices@richmondhill.ca
https://www.richmondhill.ca/ddo

Architecture

Year built: 1935
Building type:AttractionEducational facilityHistorical landmark
Architect: Mathers and Haldenby
Architectural style:Beaux arts

Dates/hours open

May 10, 10:00am - May 10, 04:00pm

Saturday: 10 a.m. to 4 p.m.