Ebro also flows through Xerta , Aldover , Tortosa , and Amposta in Catalonia .
The Ebro flows through the following cities : Reinosa in Cantabria ; Frías and Miranda de Ebro in Castile and León ; Haro , Logroño , Calahorra , and Alfaro in La Rioja ; Tudela in Navarre ; Alagón , Utebo , Zaragoza , and Caspe in Aragon ; and Flix , Móra d'Ebre , Benifallet , Tivenys , Xerta , Aldover , Tortosa , and Amposta in Catalonia .
Ebro