Quidi Vidi Lake is a 1,600 m (1 mi) long body of water located at the east end of the city of St. John's, Newfoundland, Canada. The lake has a long history of hosting sporting events, with the most renowned being the annual Royal St. John's Regatta, said to be the oldest continuous sporting event still held in North America. The former Pepperrell Air Force Base (now called CFS St.