Sell katharagama is very important place in katharagama. According to the Hindu mythology this area is supposed to be the abode of God Skanda and his Goddess Valli. God Skanda had come to Sri Lanka from S. India where he was known as Subramania. The people of India were not paying homage to him since he was rather playful. Therefore, he had decided to take up his abode in Kalutara (Chelapura) in Sri Lanka

Where God Skanda’s brother God Ganesha wanted to scare Valli it was Skanda who rescued her, at SellaKataragama which is also known as Small KataragamaSellaKataragama is a beautiful spot situated about 6 km’s away from Kataragama on the banks of the Menik Ganga.Many newly married couples go to visit SellaKataragama. Some devotees do the pilgrimage on foot walking about 200 km’s. God Skanda had taken Valli and gone with her to the hill called Wedisiti Kanda.