The exact history of Sand hill is murky, but, it is believed that eh sand hill is formed by an unusual natural hazard which can be a huge Tsunami like disaster. There some records of past tsunamis in this region.


This cause of formation is should be believed because of some following reasons;
An archeological site was discovered & explored by removing huge volume of sand by the personnel from the department of archeological. It is to confirm that people were live in this area for old days. Their civilization has been fully demolished by some natural Tsunami like disaster.



The vast mass of sand has been assembled together in forming a highest peak is about 32 feet in meters it’s got the value of 9.6 m.
But, today the sand hill is act as the protecting wall for Tsunami and protect so many people from the last Tsunami which was hit the Sri Lankan coastal area on 26th of December 2004.