The Kollidam (referred to as Coleroon in Colonial English) is a river in southeastern

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

. The Kollidam is the northern

distributary A distributary, or a distributary channel is a stream channel that branches off and flows a main stream channel. It is the opposite of a ''tributary'', a stream that flows another stream or river. Distributaries are a result of river bifurc ...

of the

Kaveri River The Kaveri (also known as Cauvery) is a major river flowing across Southern India. It is the third largest river in the region after Godavari and Krishna. The catchment area of the Kaveri basin is estimated to be and encompasses the states o ...

as it flows through the

delta Delta commonly refers to: * Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet * D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet * River delta, at a river mouth * Delta Air Lines, a major US carrier ...

Thanjavur Thanjavur (), also known as Thanjai, previously known as Tanjore, Pletcher 2010, p. 195 is a city in the Indian state of Tamil Nadu. It is the 12th biggest city in Tamil Nadu. Thanjavur is an important center of southern Indian religion, art ...

. It splits from the main branch of the Kaveri River at the island of

Srirangam Srirangam is a neighbourhood in the city of Tiruchirappalli in the Indian state of Tamil Nadu. A river island, Srirangam is bounded by the Kaveri River on one side and its distributary Kollidam on the other side. Considered as the first among ...

and flows eastward into the

Bay of Bengal The Bay of Bengal is the northeastern part of the Indian Ocean. Geographically it is positioned between the Indian subcontinent and the Mainland Southeast Asia, Indochinese peninsula, located below the Bengal region. Many South Asian and Southe ...

. The distribution system in Kollidam lies at Lower Anaicut which is an island of river Kollidam. Heavy floods in 2005 necessitated the flood prevention works along the Kollidam river by the Public Works Department (PWD).

References

Rivers of Tamil Nadu Distributaries Tributaries of the Kaveri River {{India-river-stub