The 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.

Karnataka, also known colloquially as Karunāḍu, is a state in the southwestern region of India. It was formed as Mysore State on 1 November 1956, with the passage of the States Reorganisation Act, and renamed Karnataka in 1973. The state is bordered by the Lakshadweep Sea to the west, Goa to the northwest, Maharashtra to the north, Telangana to the northeast, Andhra Pradesh to the east, Tamil Nadu to the southeast, and Kerala to the southwest. With 61,130,704 inhabitants at the 2011 census, Karnataka is the eighth-largest state by population, comprising 31 districts. The state was part of the Carnatic region in British terminology. With 15,257,000 residents, the state capital Bangalore is the fourth-most populated city in India.