The Ratnapura District, famous for its ancient tradition of gem mining and cutting, has now become famous for a geological and natural wonder - the limestone grotto of Vavulpane. The grottos consist of at least 12 caves of varying sizes. This is a magnificent cavern lying isolated on the Eastern slope of the Bulutota-Rakwana range, northwest of Embilipitiya. The caves are appropriately named after the 250,000 bats that inhabit it.
The caves are geological wonders not only for their interior beauty, but also by their formation. Descending around 300m underground, discover this prehistoric world. It contains a large number of stalactites and stalagmites and is estimated to be approximately 500 million years old. The main part of the caves consist of Miocene limestone, and are formed by action of water. This type of cave is uncommon and what is even more remarkable is that it contains fossils of what are believed to be dinosaurlike creatures. Several species of birds indigenous to Sri Lanka can be observed lose to the caves. This place is an experience for those who like to understand the ambience of the caves.
The stream, which runs through this cave, becomes a beautiful waterfall at the center, giving you a mysterious and a thrilling experience. You may encounter few water monitors, Amphibians and thousands of Bats in this fully dark cave.
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