The Bhavani is a river of southern India, a tributary of the Kaveri. The river's headwaters are on the eastern slopes of Western Ghats range, in Malappuram district of Kerala state. The river flows northwest, into Tamil Nadu, draining the south slope of the Nilgiri Hills. It joins its main tributary, the Moyar River, which flows in from the northeast, where it drains the valley between the northern slopes of the Nilgiris and the southern slopes of the Bilgiri Hills. After joining the Moyar, the Bhavani flows due east, past the town of Sathyamangalam, joining the Kaveri at the town of Bhavani, The Sangameswarar Temple was built at the confluence of the two rivers, and is an important pilgrimage spot in southern India. The Cauvery (sometimes written as Kaveri) is one of the major rivers of southern India. ... The Western Ghats or Sahyadri mountains run along the western edge of Indias Deccan Plateau, and separate the plateau from a narrow coastal plain along the Arabian Sea. ... Malappuram district in Kerala Malappuram is one of the northern districts of Kerala state, India. ... ... Tamil Nadu (தமிழ் நாடு, Land of the Tamils) is a state at the southern tip of India. ... Map of The Nilgiris district The Nilgiris or Blue Mountains are a range of mountains and a district in the south-Indian states of Tamil Nadu and Kerala. ... The Biligiri Hills (White mountains in the Kannada language), also known as the Biligiri Rangas Hills, are a range of hills in southern India. ... Sathyamangalam or Satyamangalam is a town in Tamil Nadu state of southern India. ... Bhavani is a town in Erode District of Tamil Nadu state in southern India. ...