With a total length of 34 kilometres, the Zuari River is the largest river of Goa. It arises at Hemad - Barshem in the Western Ghats. The river is also called Aghanashani in the remote parts of Goa. The Zuari flows through the Quepem, Salcete, Ponda, Mormugao and Tiswadi taluks and finally evacuates into the Arabian Sea, around the Mormugao harbour. It merges with the Talaulim stream, at the town of Sanguem. It is in this town that the river widens and accepts waters from its tributary, Kushavati. Vasco-da Gama the port city lies on the mouth of Zuari River.

The Zuari along with the Mandovi River are the backbone of the economy and these along with their tributaries traverses a major portion of the state. The banks of the Zuari River are covered with mangrove trees and are a perfect destination for adventure lovers. Crocodiles inhabit in the swampy and marshy area, which can be easily spotted while traveling in river cruises.