Guadiana
River in Europe
The Guadiana River, is an international river defining a long stretch of the Portugal-Spain border, separating Extremadura and Andalusia from Alentejo and Algarve. Wikipedia
Source: Ojos del Guadiana
Mouth: Golfo de Cádiz
Bridges: Guadiana International Bridge, Puente de Palmas, Puente Real, and more
Length: 508 mi
Discharge: 21,190 ft³/s
Basin size: 67,733 km2 (26,152 sq mi)