 On the south side is the river Vaigai and on the north side is Todaneri Lake ("Todaneri Kanmaai").The main reason for bearing this name "Samayanallur" is due to its diversity in having all religion people staying together without any religious issues.To be more specific, "Samayam = religions" and "Nallur = life being good" together stands as Samayanallur.