The Mont Mégantic Observatory (French: Observatoire du Mont-Mégantic - OMM) is an astronomical observatory owned and operated jointly by the Université de Montréal (UdeM), the Université Laval (ULaval), and McGill University. Founded in 1978, the observatory houses the second largest telescope in Eastern Canada after David Dunlap Observatory near Toronto. It is situated at the summit of Mont Mégantic, the highest point of Eastern Canada accessible by car.