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 …

Mill at Piper Creek Doors Open Northumberland County

Mill at Piper Creek

Get a behind-the-scenes look at ongoing restorations at the historical Mill at Piper Creek supported by the community and spearheaded by the Mill at Piper Creek not-for-profit organization. Explore the beautiful interior of this 180-year-old mill and view numerous pieces of original mill equipment. High tea and live music will be offered during Doors Open!

Tell us your story about this site

  • French services available
  • Guided tours available
  • Parking
  • Self-guided tours available
  • Washrooms

Contact info

1742 Percy Street
Castleton, Ontario
Telephone: 905-344-7119


Year built: c. 1940
Architect: Joseph Keeler II and Joseph Keeler III
Architectural style: Vernacular
Building type: Historical landmark
Landscape: Landscape

Dates/hours open

Saturday June 1 – Sunday June 2, 2019
Saturday and Sunday: 11 a.m. to 3 p.m.

Mill at Piper Creek 1742 Percy Street