The famous pink lake, Lake Hillier. Due to the high salt content, micro-algae called dunaliella salina thrive here and give the lake it’s perfectly pink hue.

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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.

Are people allowed to go there and is it possible?

Yes people can go there and you can get there by boat or plane charters.

Is it safe to swim in Lake Hillier?

The water of the lake is otherwise clear and it causes no harm to the human skin and the Dunaliella salina alga is completely harmless as well. In fact,swimming in the lake's water is safe.