Penhascoso is a locality and former parish in the municipality of Mação, Portugal. The population in 2011 was 802, in an area of 39.60 km<sup>2</sup>. In 2013, the parish merged with Mação and Aboboreira to form the new parish Mação, Penhascoso e Aboboreira. Penhascoso is the Portuguese settlement that is the centermost point of Portugal.