Achamthuruthi is a small island that abounds with incredible beliefs and rituals. It is a village in the middle of the Tejaswini River, near Cheruvathur of Kasaragod district. Old-timers believe that as it is beyond the Thuruthi village of Cheruvathur, it came to be known as Achamthuruthi. The geographical regions here include Achamthuruthi and Thaikadapuram.