Minnedosa Lake is a man-made lake in the Canadian province of Manitoba near Minnedosa, Manitoba. It was created between 1910 and 1912 to serve as a reservoir for a hydro-electric dam. Today it is a popular recreation site, for both boating and swimming. The lake is considered one of the best sites for competitive rowing in Canada and was the venue for the 1999 Pan American Games rowing events. The lake is fed by the Little Saskatchewan River.