Manzanares (river) Manzanares (river) The Manzanares () is a river in central Spain, which flows from the Sierra de Guadarrama, passes through Madrid, and eventually empties into the Jarama river, which in turn is a tributary to the Tagus. In its urban section, the Manzanares River as it appears today, with a section of water several meters deep, in some parts navigable by canoes, is the result and the product of the work of dozens of years of channeling and damming. The river Manzanares has its source near the Navacerrada mountain pass in the Guadarrama mountain range. The upper river basin is
Steamboats of the Willamette River Oregon City. (The current Oswego Lake is a larger version of the original lake, formed by a dam on the east end.) The Tualatin River is a tributary of the Willamette River, which runs near to the west end of Oswego Lake, which itself is tributary to the Willamette, draining easterly through Sucker Creek, now known as Oswego Creek. In 1865, John Corse Trullinger established a sawmill driven by an overshot waterwheel on Sucker Creek. At that time, road and other access to the Tualatin Valley was very difficult. The mouth of the Tualatin River was unnavigable, so it was