The physical geography of Spain

1-The rivers 

      

There are a lot of rivers in Spain. The major rivers, and many smaller rivers flowing into them, have dams built on them to form reservoirs which provide Spain with water and electricity. 

Can you name the most important?

https://mapasinteractivos.didactalia.net/comunidad/mapasflashinteractivos/recurso/rios-de-espaa/baf5ae9b-b0f9-4476-a05e-8465d60b21a1