This is a natural Blow Hole in the southern Sri Lanka is known as the Hummanaya among the locals. It is located at located at the sea- front of Kudawella and one could reach there after passing Mathara and Dikwella. Hummanaya is a mysterious site where volumes of sea water whistle throught a natural fine hole from beneath a massive rock in the sea. Rough and high waves push water into the triangular based rock boyyom, and force it through a hole at the bottom with very high pressure. With the sound of a blow whistle the water comes up high into the air.