 Observatorio William Brydone Jack | Fredericton | — |
| Ottawa Magnetic Observatory | — | — |
| Ottawa observatory | Ottawa | — |
| Pleiades observatory | Mandeville | — |
| Plessisville observatory | Plessisville | — |
| Poste-de-la-Baleine Magnetic Observatory | — | — |
 Prince Edward Point National Wildlife Area | Condado de Prince Edward | — |
| Queen Elizabeth II Observatory | — | — |
 Radio Observatorio Algonquin | Ontario | — |
| Resolute Bay Magnetic Observatory | — | — |
| Rock Finder Observatory | Calgary | — |
| Rothney Astrophysical Observatory | Alberta | — |
| Sable Island Magnetic Observatory | Nueva Escocia | 5 m |
| Saint-Felicien observatory | Saint-Félicien | — |
 Servicio Geológico de Canadá | Ottawa | — |
| Sherbrooke observatory | Sherbrooke | — |
| Sooke observatory | Sooke | — |
| St John's Magnetic Observatory | — | — |
| Stone Finder Observatory | Calgary | — |
 Sudbury Neutrino Observatory | Ontario | — |
 Sulphur Mountain Cosmic Ray Station | Improvement District No. 09 (Banff National Park) | — |
| University of Toronto Southern Observatory | — | — |
| Val-des-Bois observatory | Val-des-Bois | — |
| Victoria Experimental Network Under the Sea | Columbia Británica | — |
| Victoria Magnetic Observatory | Metchosin | — |
| Yellowknife Magnetic Observatory | Territorios del Noroeste | — |
 York University Observatory | Ontario | — |