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Doors Open Richmond Hill 2023 at the DDO

Join us at the DDO for a visit of the dome and check out the Administration building for Doors Open Richmond HIll! 

Doors Open Richmond Hill is an event that supports cultural sites in the community to open their doors to everyone.

This free event is part of Doors Open Ontario, launched in 2002 by the Ontario Heritage Trust.

This year is a reason to celebrate! Richmond HIll is offering Doors Open Richmond Hill for the first time in three years and we are celebrating Richmond Hill’s 150th birthday!

Let’s reunite, reconnect and celebrate all that makes us proud to call Richmond Hill home.

Please note that The Observatory and Administration Builderings are historic buildings and do not meet existing accessibility standards. Access to both buildings is only by stairs. Both the Administration Building and the Observatory do not have elevators.

Who can attend: Everyone

Admission: Free

Website: Richmond Hill

Location: David Dunlap Observatory (DDO), In Person