Lake Manitou

Lake Manitou is the largest lake on Manitoulin Island in Ontario, Canada. With an area of 104 square kilometres (40 sq mi),[1] it is the largest lake on a lake island in the world.[2][1][3] It is drained by the Manitou River.

Lake Manitou
Satellite image of Lake Manitou on Manitoulin Island
Lake Manitou
Location	Manitoulin Island, Lake Huron
Coordinates	45°46.7′N 81°59.5′W
Primary outflows	Manitou River
Basin countries	Canada
Max. length	19.8 kilometres (12.3 mi)
Max. width	6 kilometres (3.7 mi)
Surface area	104 km² (40 sq mi)
Islands	2

There are several small islands in Lake Manitou, such as Roper Island and Bear Island in the very south of the western lobe of the lake, and McCracken's Island in the neck connecting the two lobes, making them islands in a lake on an island in a lake.[2] However, none of the islands are as large as Treasure Island in a neighboring, smaller lake on Manitoulin Island.

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  Manitoulin Island location in the Great Lakes