Manzanares (river) it flows near the dormitory town of Arganda del Rey, ending its journey. The river Manzanares, although small and relatively unimportant geographically, has had a great historical importance due to its close relation to the city of Madrid. The city was founded by the Moors as a citadel overlooking the river in the ninth century. The river is also featured in many paintings of the late 18th to early 19th-century painter Francisco de Goya, which show traditionally dressed "Madrileños" in activities like dancing or having picnics next to the river. The Manzanares was also an important defence line for the
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