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.

McMaster Nuclear Reactor Doors Open Hamilton

McMaster Nuclear Reactor

Canada’s most powerful research reactor is a global supplier of medical isotopes, providing cancer treatments for 70,000 patients annually. Note: Visitors must be over 11 years old and present government-issued photo ID, cannot wear shorts or open-toed shoes, and cannot take photographs inside the facility. McMaster reserves the right to turn visitors away who do not meet these criteria.

Tell us your story about this site

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

Contact info

1280 Main Street West (McMaster University)
Hamilton, Ontario
Telephone: 905-525-9140, ext. 24279


Year built: 1957-58
Architect: William R. Souter & Associates
Building type: Commercial

Dates/hours open

Saturday May 2, 2020
Saturday only: 10 a.m. to 4 p.m.

McMaster Nuclear Reactor 1280 Main Street West (McMaster University)