WThe Amaravati River is the longest tributary of Kaveri River in the fertile districts of Karur and Tirupur, Tamil Nadu state, South India.
WArisil or Aricil is a branch of the river Kaveri in the Tanjore district. It was the site of many a battle between the different Tamil kingdoms. One of the most notable being the 9th century war between Nripatunga Pallava and Sri Mara Pandya in which the latter was defeated. Nripatunga was the son of Nandivarman III by a Rashtrakuta princess
WThe Arkavati is an important mountain river in Karnataka, India, originating at Nandi Hills of Chikkaballapura district. It is a tributary of the Kaveri, which it joins at 34 km south of Kanakapura, Ramanagara District called Sangama in Kannada, after flowing through Ramanagara and Kanakapura. The river drains into the Chikkarayappanahalli Lake near Kanivenarayanapura. Kumudavathi and Vrishabhavathi rivers are tributaries to this river. It forms Chunchi falls near Haroshivanahalli. It joins Cauvery river as a tributary near Mekedatu.
WThe Kasbani river is also called Kabini or Kapila River is one of the major tributaries of the river Cauvery in southern India. It originates in the Wayanad District of Kerala state by the confluence of the Panamaram River and the Mananthavady River. It flows eastward to join the Kaveri River at Tirumakudalu Narasipura in Karnataka.
WThe Kollidam is a river in southeastern India. The Kollidam is the northern distributary of the Kaveri River as it flows through the delta of Thanjavur. It splits from the main branch of the Kaveri River at the island of Srirangam and flows eastward into the Bay of Bengal. The distribution system in Kollidam lies at Lower Anaicut which is an island of river Kollidam.
WThe Lakshmana Tirtha is a river of Karnataka, India. It rises in Kodagu district and flows eastward. It joins the Kaveri in the Krishna Raja Sagara lake.
WThe Mayar River is one of the tributaries of the Bhavani in Tamil Nadu, South India. The Mayar river originates from a small town called Mayar off the Masinagudi–Ooty road. This is a natural line of separation between the state of Karnataka and Tamil Nadu and a separation between the forest of Bandipur National Park and the Mudumalai sanctuary to the south. The Mayar River Gorge is 20 kilometres (12 mi) long and is also called the Mayar Canyon. The river flows into the gorge below Theppakadu in a roaring waterfall called Mayar Falls. This river is checked by Bhavanisagar Dam on the plains near Satyamangalam, along with the Bhavani River.
WThe Noyyal River is a small river in Western Tamil Nadu, and a tributary of Kaveri River. It rises from the Vellingiri hills in the Western Ghats in Tamil Nadu, very close to Kerala border, and flows through many villages and the cities of Coimbatore, and Tirupur finally draining into the Kaveri River at Noyyal, a village in Karur district named after the river itself. The river's basin is 180 km (110 mi) long and 25 km (16 mi) wide and covers a total area of 3,500 km2 (1,400 sq mi). Cultivated land in the basin amounts to 1,800 km2 (690 sq mi) while the population density is 120 people per km² (311/mi²) in the countryside, and 1000 people per km² (2590/mi²) in the cities. The area is known for its scanty rainfall and the development of the Noyyal River Tanks System to hold any overflow from the rains plus the water of the Northeast and Southwest monsoon season was ecologically important. The 173 km (107 mi) long tributary of the Kaveri River filled 32 tanks. These interconnecting tanks held the water flowing from the Noyyal.
WPambar River originates in the Anaimudi Hills in Idukki District of Kerala state in South India.
WVennaaru is a tributary of the Kaveri River in southern India. It passes through Trichy and Thanjavur in the Tamil Nadu region of the country. The etymology of Vennaaru represents venmai (white) + aaru (river) in Tamil. The fertile landscape and lush fields in and around the village of Karandai are irrigated by this river. During the Chola period, a branch of this river was dug out and expanded by the Chola king Parantaka I.