The fortress of Castillo de San Miguel

The Castillo de San Miguel is a defensive tower located on the coast of the municipality of Garachico, on the island of Tenerife. During the 16th century, Garachico was the most active commercial town on the island, and its port was the most used. To protect this commerce against potential attacks from the sea, the town required fortification.

While the exact start date of the works is unknown, the first bastion of the building existed by 1552. Following a 1553 pirate attack on Santa Cruz de la Palma by the French corsair François Le Clerc, the Cabildo of Tenerife sought to expand the fortifications. In 1575, under the reign of Felipe II, a Royal Decree authorized the construction of a larger, better-equipped fortress. The construction was overseen by the corregidor Fabián Viña Negrón, who funded part of the works in exchange for lifelong governorship of the fort.

By 1589, the tower was equipped with seven pieces of iron artillery, including cast iron pieces and field cannons. The construction was considered finished in 1587, giving the building much of its current appearance. The tower features a square floor plan of nearly 50 feet on each side, with a main entrance to the south and two large rooms inside with barrel vaults.

In 1706, a volcanic eruption in Garachico buried part of the population and the harbor, causing the castle to lose its defensive function as the port disappeared. Today, the fortress is municipal property and serves as a Cultural Heritage Center as part of the Cabildo de Tenerife Museum Network. It has been protected as a monument of cultural interest since 1985.

Sources: Wikipedia, OpenStreetMap, Wikidata, Wikimedia Commons