Lake Hillier is a saltwater lake on the edge of Middle Island, a large island off the south coast of Western Australia. It is pink in color, due a plant that causes the salt (produce) a red color. There's a long strip of land separates the lake from the ocean. It was first written about in 1802, when Matthew Flinders hiked one of the island's highest (mountain). He named the lake after William Hillier, an (explore) who had previously visited Middle Island. In 1889, Edward Andrews moved to the island with his two sons. They began to mine the lake for salt, and soon other miners came. However, the mining was (eventual) stopped, as the salt wasn't fit to eat or use in other products because it was (poison). In 2002, the lake was recognized as wetland, and in 2012, it became a (protect) area. A walking trail (build) around it for tourists to use. Even though the lake contains a lot of salt, it is still safe to swim in.
