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
Where the River Runs Black the boy, they assume he has drowned and depart. Moments mater, the river dolphins come to his rescue and take him to shore. At age six, he is left to fend for himself in the forest. Over the years a story of a feral child spreads through the towns along the river, and when the boy is ten he is captured and taken to town. The capture of the "dolphin boy" comes to the attention of Father O'Reilly. When he sees that the boy is wearing Mahoney's crucifix he realizes that he is Mahoney's child. With great excitement that part