The Middle River Reservoir is located on the north of Kangaroo Island in South Australia.

It is situated on the Middle River and has a catchment of approximately 101 square kilometres (39 sq mi).

[2] Construction of Middle River Reservoir was started in response to a doubling of the population on Kangaroo Island following the Second World War.

[3] The reservoir supplies water to Kingscote, Brownlow KI and Parndana.

[2]