Doors Open Ontario

Doors Open Ontario had another successful season! Nearly 500,000 people visited sites in communities across the province. Thanks to our sponsors, partners and volunteers for their support, and to all who participated. Stay tuned for information about next season …

Detweiler Meetinghouse Doors Open Waterloo Region

Detweiler Meetinghouse

Ontario’s only surviving stone Mennonite meetinghouse was restored to its 1855 appearance, from its Georgian hand-blown glass windows to its original pine floors. Lively acoustics make it attractive for performances; it’s available for milestones, weddings and reunions. The adjacent historical cemetery is still in use. Stroll the grounds and enjoy this rare heritage building in its serene rural setting.

Tell us your story about this site

  • Full wheelchair access
  • Guided tours available
  • Parking
  • Washrooms

Contact info

3445 Roseville Road
Roseville, Ontario


Year built: 1855
Architectural style: Georgian, Vernacular
Building type: Cemetery, Place of worship

Dates/hours open

Saturday September 21, 2019
Saturday: 10 a.m. to 5 p.m.

Detweiler Meetinghouse 3445 Roseville Road