Castell de la Trinitat is located on the Gulf of Roses, Alt Empordà comarca, Province of Girona, Catalonia, Spain. Along with the Ciutadella de Roses, it provided defenses for the town of Roses.
The name comes from a chapel built in 1508, which was destroyed, along with a defense tower that stood in the area, when the castle was built, ordered by Emperor Charles V in 1543. Work began on January 2, 1544 and the castle was completed in mid 1551 under the Spanish engineer Luis Pizano.
It was defended for twelve days by Royal Navy sailors and marines under the command of Captain Thomas, Lord Cochrane, supported by Catalan militia and regulars in 1808 and the damage inflicted by the besieging French and Italian artillery was compounded by an immense explosion of gunpowder barrels from Cochrane's…
Coordinates 42°14'50.718" N 3°11'1.759" E