The main river of Spain is the Ebro River.
The Tajo, the Duero, and the Guadalquivir are all rivers in Spain.
The Tajo, Ebro, and Guadalquivir are all major Spanish rivers.
There are a few major rivers in Spain, such as the Tagus, the Ebro, the Duero and the Guadiana.
The 2 main rivers are the Tajo and the Ebro.