4/20Ningaloo CoastThe remote western Ningaloo Coast includes one of the longest near-shore reefs in the world. The 604,500ha region is also recognised for its network of underground caves and water courses, supporting extraordinary biodiversity. Must see Among Ningaloo Coast’s abundant marine life are groups of whale sharks that gather every year from March to August. Visitors from all over the world flock to the region to swim with the gentle giants. Ningaloo Reef is one of the only places on the planet these massive fish appear regularly in large numbers. Picture: Mark Fitz