Doors Open Ontario

The Doors Open Ontario 2018 season was a great success. Over 482,000 people visited sites in communities across the province. Thanks to our sponsors, partners and volunteers for their support, and to all who participated.

McMaster Nuclear Reactor Doors Open Hamilton

McMaster Nuclear Reactor

Discover one of Hamilton’s most unique yet least-known industries – medical isotope research, development and production – plus more! For tours, visitors must be over 10 years of age, be comfortable in confined spaces and pre-register (government-issued identification and completion of a visitor information card is required). Note: McMaster Nuclear Reactor reserves the right of refusal.

Tell us your story about this site

  • Guided tours available

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 5, 2018
Saturday only - pre-registration is required

McMaster Nuclear Reactor 1280 Main Street West (McMaster University)