Cabo Raso is located in the parish and municipality of Cascais. In the middle of the cable is the lighthouse of Cabo Raso and the Forte de São Brás de Sanxete. It lies relatively close to the village of Cascais, in the far Southwest of the Estoril Coast, near the mouth of the Tagus, from which has maritime access to the port of Lisbon and the Tagus estuary.