English: Aerial view of the mouth of the Guadiana (Español), Guadiana (Português), Guadiana (English) river flowing into the Atlantic Ocean. Portugal is on the left side of the image; Spain on the right side.
The Portuguese town in the center of the image is Vila Real de Santo António, the Spanish town further north is Ayamonte. The small Spanish village at the sea is Isla Canela, the Portuguese coastal village on the very left is Monte Gordo. The village north of Monte Gordo is Três Azeitonas and the village north of Vila Real is Castro Marim, further north, Monte Francisco can be seen. At extreme top right, the Puente Internacional cable-stayed bridge can be seen.
Español: Vista aérea de la desembocadura del río Guadiana. En la fotografía se aprecian las localidades portuguesa de Villa Real (izquierda) y española de Ayamonte (derecha). En la margen portuguesa se aprecian otras localidades menores como Três Azeitonas, Castro Marim o Monte Gordo, y en la española se observa al sur Isla Canela. Río arriba se puede apreciar el puente internacional. El conjunto está dominado por las marismas de Isla Cristina en el lado español y por el Sapal de Castro Marim en el portugués.
{{Information |Description= Mouth of the Guadiana River in the Mediterranean Sea, Portugal is on the left side, Spain on the right side of the river. The portuguese town in the center of the image is Vila Real de Santo António, the spanish town further n