County of Carnarvon is a cadastral unit located in the Australian state of South Australia which covers the full extent of Kangaroo Island. It was proclaimed in 1874 by Governor Musgrave in response to the demand for agriculture land on Kangaroo Island.

Flinders Chase National Park is a protected area in the Australian state of South Australia located at the west end of Kangaroo Island about 177 kilometres west-south west of the state capital of Adelaide and 110 kilometres west of the municipal seat of Kingscote. It is a sanctuary for endangered species and home to a few geological phenomena. It was the second national park to be declared in South Australia.