In 1767 the government of Chiloe was separated from the Capitanía General de Chile, and attached directly to the Viceroyalty of Perú. This administrative change introduced many transformations to the archipielago, including building a series of military forts around Chacao Channel and in the middle of the province. In this context, the Spanish engineer Miguel de Zorrilla designed a coastal fort able to protect the access to the city ofCastro, capital of the province. Zorrilla designed a military placement in one of the narrower points of the fjord of Castro, and for this purpose a cut was made in one of the hills surrounding the fjord, in order to built an artificial terrace for the battery. In this place three cannons and a culverin were installed. In this place were also located the barracks for the soldiers that occasionally had to take guard there. For protection against coastal attacks, the fort had a parapet of fascine in front of the terrace The fort was supported by a look-out dedicated to the vigilance of the fjord, and located not far from there.
Republican history
Due to its location, fort Tauco was never used in battle, and during the independence wars its usage was just as an alert system among the communities of the zone. Since 1826 the place is abandoned, and in 1930 its cannons are moved to Castro, where were used as decorations of the main square of the city until the first years of the 21st century. During this operation, the culverin was lost due to its falling overboard. It was declared national monument by the decree 744 of 1926, but a report from the Chilean Society of History and Geography, which indicated that forts of Tauco, Poquillihue, Chacao and Pargua were totally destroyed, led to the removal of the category for those places through the decree 1295 of 1983. After a process of restoration, three cannons were returned from Castro to their original position in the fort. However, due to the lack of infrastructure, the archaeological discoveries of the forts are currently located in the Municipal Museum of Castro. In year 2015 a new restoration process was executed. This project included building a new wooden look-out in the historical terrace with information about the site, and a lighting system visiblefrom the sea. These works finished in the firsts months of 2016.
