| Next time you feel like defying gravity, consider a trip to Hawaii — specifically the island of Oahu, which is home to a reverse waterfall. Also known as the Upside Down Waterfall, Waipuhia Falls sprays up Mount Konahuanui and can be seen from Route 61 (the Pali Highway). The striking effect, visible only during the wet season between November and March, is a result of the island's strong trade winds. They blow in a northeasterly direction, and catch the water before it can reach the bottom, making it look as though the waterfall flows in reverse. Though rare, reverse waterfalls do occur elsewhere. Perhaps the most famous is Naneghat, a waterfall in Maharashtra, India, some three hours from Mumbai. It's at its strongest during monsoon season, from June to September. Similar phenomena have also been observed in places as varied as Utah and Sydney, though most of these are one-off events caused by extreme conditions — not that that makes them any less fascinating to watch. | 
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