| McMaster Nuclear Reactor | |
|---|---|
 Reactor building in 2013 | |
 | |
| Country | Canada |
| Location | Hamilton, Ontario |
| Coordinates | 43°15′40.4″N 79°55′17.2″W / 43.261222°N 79.921444°W |
| Status | Operational |
| Construction began | 1957 |
| Commission date | 1959 |
| Owner | McMaster University |
| Operator | McMaster University |
| Nuclear power station | |
| Reactor type | open pool reactor |
| Power generation | |
| Units operational | 5 MW |
| External links | |
| Website | McMaster Nuclear Reactor |
The McMaster Nuclear Reactor (MNR) is a 5 MWth open pool reactor located on the campus of McMaster University, in Hamilton, Ontario, Canada.