The fort of Saint António de Tavira, also known under the name of fort of the rat or the fort of the island of hares, is located east of the place of Quatro Águas (four water), in the estuary of the Gilão river.

The fort of Saint António de Tavira, also known under the name of fort of the rat or the fort of the island of hares, is located east of the place of Quatro Águas (four water), in the estuary of the Gilão river.