Castillo de Santa Barbara is a fortress located on the top of Mount Benacantil in the center of the city of Alicante, Spain. The castle was built in the 9th century by the Moors and has been used as a fortress ever since. The castle was named after Saint Barbara, the patron saint of gunpowder and explosives.

The castle has a strategic location that has been used throughout history for military purposes. The views from the castle are stunning, and visitors can see the city of Alicante, the harbor, and the Mediterranean Sea. The castle is accessible by an elevator that takes visitors to the top of the mountain.

The castle has a rich history, and there are several exhibits that explain the history of the castle and the region. The exhibits include displays of weapons, armor, and artifacts from the castle's past. Visitors can also explore the castle's walls and towers, which offer panoramic views of the surrounding area.