Lake MacDonnell is one of the famous salt lakes in Australia as compared to others. Contrasting colours of pink, blue and green creates the striking stunning scene leading to beautiful Cactus Beach at the end of the path which is a renowned surfing location with two left hand and one right hand surfing breaks.
High in salt concentration, the lake gives the impression of a salmon pink lake on clear days. One side is the Pink Lake, the other side is Green Lake. Further down over the small bridge is the Blue Lake. The Pink Lake is caused by salt loving algae called dunaliella salina and bacteria called halobacteria. That secretes carotenoid red pigments, that turns the water bright pink.
One of the Most Oldest Inhabited City in the World
Situated 15 km south of Penong on the way to Point Sinclair lies the beautiful pink salt lake known as Lake McDonnell. Lake MacDonnell is a salt lake on western Eyre Peninsula near the Nullarbor Plain, close to Penong town. It is the site of a former salt mine and the largest gypsum mine in Australia. And on the largest gypsum deposit in the southern hemisphere. It has been mined at Lake MacDonnell since 1919. And the gypsum deposit may contain as much as 500-700 million tonnes.
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