Kiri Vehera is an ancient stupa built by King Mahasen and located in Kataragama, Sri Lanka. It is 95 feet high and 280 feet in circumference. According to folklore, BC. It is believed that during the third and last visit of the Buddha to Ceylon in 580, he met King Mahasena who ruled the Kataragama area or the Kataragama Park. It says that King Mahasena (King) met the Buddha and listened to the sermon of the Buddha and built the Dagaba as a symbol of gratitude for it. Thus, the Sinhala Buddhists in this country believe that Kataragama was easily consecrated by the Buddha.
Archaeological evidence suggests that the "Kiri Vehera" dates back to BC. It was built around the 1st century and was later restored to its present condition by King Mahasena. There are many ruins in this area and inscriptions have also been found.