Castle Cala is a fortress in the Gothic-Mudejar style and is a military building from the 12th, 13th and 14th century. Of stonework construction and almost rectangular floor plan, with four rectangular and three semi-circular towers.

It is in Cala, a municipality of Huelva.

The Castle of Cala formed the third defensive line of the "Banda Gallega" [Galician Front], established to combat the Portuguese expansionistic interests.