Doors Open Ontario

While this site has participated in Doors Open Ontario in the past, it is not part of the current season’s program. Please check the Home page for this year’s events and participating sites.

Saunders Hydro Dam Visitor Centre Doors Open Cornwall and SDG Counties

Saunders Hydro Dam Visitor Centre

The 1,208-square-metre (13,000-square-foot) Ontario Power Generation (OPG) visitor centre, which opened in 2010 and was built to LEED standards, offers visitors an interactive and educational experience. Learn about the St. Lawrence Seaway, the power project and its impact on surrounding communities, electricity generation at OPG, and the American eel.

Tell us your story about this site

  • Environment
  • Full wheelchair access
  • Kid-friendly
  • Parking
  • Washrooms

Contact info

2500B Second Street West
Cornwall, Ontario
Telephone: 613-932-4563


Year built: 2010
Architect: Thompson Rosemount Group
Building type: Commercial, Green building

Dates/hours open

Saturday August 15 – Sunday August 16, 2020
Saturday and Sunday: 10 a.m. to 4 p.m.

Saunders Hydro Dam Visitor Centre 2500B Second Street West