There are many bizarre things in Australia, but few go even close to the pink lake Hillier.

Photo by Kurioziteti123.

Lake Hillier is a pink-coloured lake on Middle Island in Western Australia – the largest island from the Recherche Archipelago, a group of about 105 islands. A narrow strip of land composed of sand dunes covered by vegetation separates it from the ocean.

Subscribe to our newsletter and receive our new book for FREE
Join 50,000+ subscribers vaccinated against pseudoscience
Download NOW
By subscribing you agree to our Privacy Policy. Give it a try, you can unsubscribe anytime.

Photo by Aussia OC.

The tiny lake only spans 600 meters wide, but the pink color is just unmistakable – and downright weird. What you’re seeing around it is a ime of white salt and a dense woodland of Paperbark and Eucalypt trees. The first reported sighting dates back to the journals of Matthew Flinders, a British navigator and hydrologist in 1802.

But here’s the kicker: nobody knows exactly why it’s pink! The flamboyant rose pink color does not alter when you take the water and put it into a container, and many biologists believe this is all caused by a combination of low nutrient concentrations and bacteria (Dunaliella salina & Halobacterium, to be more precise).