Serpentine Falls has been closed indefinitely after the detection of deadly ‘brain-eating’ bacteria.

One of Perth’s most popular swimming holesSerpentine Falls has been closed for swimming by WA’s Parks and Wildlife Service, saying the water was unsafe to swim in.

Statement on Shire of Serpentine Jarrahdale website

Water sampling detected a bacteria, Naegleria Fowleri, which can cause an infection known as Amoebic meningitis.  

What is Amoebic meningitis

Amoebic meningitis is rare, but can be a fatal disease.

Infection occurs where water is forced into a person’s nose at pressure from jumping, falling or diving into the water.

 The following symptoms usually occur within 5 days of infection:

  • severe and persistent headache
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  • high fever
  • sore throat
  • nausea
  • vomiting
  • neck stiffness
  • confusion and hallucinations
  • drowsiness
  • coma

For now, one of Perth’s most popular swimming attractions will remain closed indefinitely.

For more information on the condition of Serpentine Falls visit