coimbatore district is in the western part of tamil nadu state. the district is fed with many rivers. the rivers of bhavani, noyyal, amaravathi, kousika and aliyar are the major rivers flowing through this district. the drinking water is sourced by the siruvani dam. waterfalls in the district include monkey falls, thirumoorthy falls, vaideki falls, sengupathi falls and chinnakallar falls.