The Cabo Sardão Lighthouse is located at Ponta do Cavaleiro in the village of Odemira, in the parish of São Teotónio, at the westernmost point of the Alentejo region of Portugal. The lighthouse consists of a white quadrangular masonry tower, topped by a red cylindrical lantern. There is also a lengthy annex building, together with small staff quarters. Unusually, the tower is built on the land side of the annex, whereas others of similar design in Portugal have the tower on the sea side. This has given rise to the belief that the builder may have rotated the plans by 180 degrees by accident. The tower is 17 metres (56 ft) meters high. Its construction was first proposed and approved in 1883. However, no action was taken until a Lighthouse Commission was formed in 1902 and operations only b