Doors Open Simcoe County
Saturday, September 19, 2026, 10:00 a.m. to 4:00 p.m.
Multiple Locations
Discover Simcoe County’s heritage during Doors Open Ontario. Step inside historical buildings, cultural landmarks, natural sites and special spaces rarely open to the public. Enjoy free access, guided experiences and new ways to experience Simcoe County’s past and present.