Hole Water Well -Sinkhole

                                               This is a tidal well situated near to Thondaimanaru Veerakathipillai Maha Vidhyalayam. It is believed that that it was naturally formed due to a huge thunderbolt that heavily struck the area and created this deep strange well but geologically it is a sinkhole, It is formed through the chemical erosion of carbonate rocks, as well as processes of collapse or suffusion. It is cylinders shaped sinkhole.This well is used by National Water Supply and Drainage Board of Sri Lanka for supply of drinking water to the residents of urban council area of Valvettiturai and the village of Polikandy. Averagely about 45000 liters of water is extracted out from this well daily but never goes down from its surface level. It is one of the naturally formed well like a Nilavarai well- sinkhole.