Fuerte de Tenases is the northernmost defensive element of Tortosa's medieval walled city, constructed in two phases during the late 17th century and early 18th century following the Bourbon conquest. The fortress comprises two distinct enclosures: the first containing gunpowder storage and a cistern with eighteen cannon ports, and the second featuring a central plaza de armas with sophisticated northern defenses including two semibaluartes and a moat system. Located on an elevated hill overlooking the Remolins quarter and historic Jewish quarter, the site offers commanding panoramic views documented by 16th-century Flemish painter Anton van den Wyngaerde.
