The Mandovi or Mahadayi, formerly known as the Rio de Goa, is a river described as the lifeline of the Indian state of Goa. The Mandovi and the Zuari are the two principal rivers in the state of Goa.

Dudhsagar Falls is a four-tiered waterfall on the Mahadayi River in the Indian state of Goa. It is 60km from Panaji by road and is located on the Belagavi–Vasco Da Gama rail route about 46km east of M