The river is born in the Western Ghats(Sahyadri mountains) on a hill known as Varaha Parvata at a place called Gangamoola.

It is 147 km long and merges with the Bhadra River at Koodli, a small town near Shimoga City, Karnataka.

The Tungabhadra flows eastwards and merges with the Krishna River in Andhra Pradesh.

Hariharapura is another religious centre on the bank of the Tunga River in the Chikkamagalurur district.

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