Lake Timiskaming

Lake Timiskaming or Lake Temiskaming is a large freshwater lake on the provincial boundary between Ontario and Quebec, Canada. The lake, which forms part of the Ottawa River, is 110 km (68 mi) in length and covers an area of 304 km2 (117 sq mi). Its water level ranges between 175 m (574 ft) and 179 m (587 ft) above sea level, with a mean annual average of 178.4 m (585 ft). The lake is in places up to 216 m (709 ft) deep. There are several islands on the lake, notably Mann and du Collège Islands.