Goa Chapora River Boat - This is a famous boating in Goa Goa's main rivers are the Mandovi, the Zuari, the Terekhol, Chapora River and the Betul. The Mormugao harbour on the mouth of the river Zuari is one of the best natural harbours in South Asia. The Zuari and the Mandovi are the lifelines of Goa, with their tributaries draining 69% of its geographic area. Goa has more than forty estuarine, eight marine and about ninety riverine islands. The total navigable length of Goa's rivers is 253 km (157 miles). Goa has more than three hundred ancient tanks built during the rule of the Kadamba dynasty and over a hundred medicinal springs.[1]