Siri Waterfall
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Siri Waterfall, formerly called Santa Maria Waterfall, is a 120-metre-high (390 ft) waterfall located about 3 km inland from the eastern coast of the island of Gaua in northern Vanuatu.
The supply of water to the waterfall is from Lake Letas. This lake is a large freshwater lake located in the crater at the centre of the volcanic island, about 600 meters above sea level. Water flows from the lake 3 km east to the top of Siri Waterfall. After the waterfall, the water flows as a large stream, called Mbe Solomul River (formerly Namang), for another 3 km before it reaches the sea. The large stream is known as "Big Water".
A rough estimate of the water flow rate (during the dry season month of August 2006) was approximately 5 cubic metres per second.
14°16′39″S 167°33′58″E / 14.2774°S 167.566°E
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