Mannakulam Archaeological Ruins in Vavuniya (වවුනියාව මන්නකුලම් පුරාවිද්යා නටබුන්)
Among the ruins, you will find remains of a building with 17 standing pillars and one fallen. A pillar inscription lies fallen on the ground. A mound covered in jungle weed had been a stupa in ancient times. The Stupa mound is 8 meters in diameter and about 5 meters in height. The pillar inscription is written in Medieval Sinhalese Script and has been dated to 4th-8th centuries.