Bull Lake is a lake in geographic in Algoma District, Ontario, Canada. It is about 2 kilometres (1.2 mi) long and 0.65 kilometres (0.4 mi) wide, and lies at an elevation of 357 metres (1,171 ft). The primary outflow is an unnamed creek to Little Bull Lake, which flows into Burnett Lake and then via Low Creek into the , a tributary of the River aux Sables. A second Bull Lake in Algoma District, Bull Lake (Varley Township), lies 73 kilometres (45 mi) west northwest.