External EventDirectory listing
Ontario event listing
RHDDO Halloween Night 2026
Richmond Hill David Dunlap Observatory · Richmond Hill, ON
Date
Oct 24, 2026
Attendance
Not provided
Deadline
Check official website
Booth fee
Contact organizer for pricing
Event overview
Celebrate Halloween under the stars at the Richmond Hill David Dunlap Observatory with a themed astronomy presentation, festive crafts, trick-or-treat stations and, weather permitting, viewing through the historic 74-inch telescope.
Looking for
Vendor categories not specified.
Special requirements
Registration is required. The City of Richmond Hill lists a fee of $23.41 and registration code 152646.