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
Waihopai River (Southland) Waihopai River (Southland) The Waihopai River — the more southerly of two New Zealand rivers of that name — runs through the South Island's Southland Region. A narrow stream for much of its length, it has its source in several streams arising in low hill country between Edendale and Dacre, all of which run generally west-southwest, passing through or close to the township of Woodlands. These streams gradually merge, becoming one river some east of Invercargill. The Waihopai runs west from this point, passing through the northern suburbs of Invercargill City and then turns south, running between Invercargill's built-up area