RIVERS (IN SPAIN)

Rivers are bodies of moving water.
They start in the mountains and flow into the sea, a lake or another river.
A tributary is a river that flows into a larger river.
The volume of water is called the flow.
The principal rivers os Spain are the Tagus, the Ebro, the Duero, the Miño, the Guadalquivir, the Guadiana, the Segura and the Jucar.