Manzanares (river) protected as the "Parque Regional de la Cuenca Alta del Manzanares", a nature reserve which is recognised as a biosphere reserve by UNESCO. The Manzanares flows in a south-eastern direction from its source, and passes through the medieval town of Manzanares el Real where it is dammed to form the Santillana reservoir, one of the most important water supplies for the capital. The river then takes a southern direction and enters the Monte del Pardo, an ecologically valuable area on the edge of Madrid. The river is canalised where it passes through the built-up areas of the city. As at
Nasardi River Nasardi River Nasardi is an insignificant tributary of the river Godavari which runs its course through the city of Nashik, Maharashtra. The river begins on the northern face the eastern spurs of Anjaneri hills to south-west of Nashik. From the site of origin the river quickly courses through the Nashik draining much of its effluent waste. A survey in 2012 deemed the river as the filthiest river in Nashik District. The river drains into the Godavari at Samta Nagar. Nashik Municipal Corporation (NMC) in 2013 approved the proposal to construct a protection wall on the left bank of the Nasardi