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Hutt Lagoon (Pink Lake)
Hutt Lagoon is a large marine salt lake near Port Gregory in the Shire of Northampton, Western Australia, about 515 km north of Perth. Known as Pink Lake, its distinctive pink to lilac hue is caused by Dunaliella salina algae producing beta-carotene. Covering about 70 sq km, it is one of Western Australia's most photographed natural attractions and is viewed from a dedicated lookout on Port Gregory Road, with colour intensity varying by season and sunlight.