Lake Hillier is a saline lake on the edge of Middle Island, the largest of the islands and islets that make up the Recherche Archipelago in the Goldfields-Esperance region, off the south coast of Western Australia. It is particularly notable for its pink colour.
Area: 15 ha
Width: 250 m
Location: Goldfields-Esperance, Western Australia
Fish: Three-spined stickleback