Muskoka, muh SKOH kuh, Lakes are a group of scenic lakes in the rocky uplands of southern Ontario. The swift-flowing Muskoka River drains the Muskoka Lakes into Georgian Bay. The lakes lie from 100 to 125 miles (160 to 200 kilometers) north of Toronto. Lake Muskoka, the largest of the group, covers 54 square miles (140 square kilometers). Lake Joseph, Lake of Bays, Rosseau Lake, and hundreds of smaller lakes lie nearby. Many streams and waterfalls are in the area.