The Aqueduct of Granja do Marquês originates in the town of Morelena Parish Pero Pinheiro, and supplies the Quinta da Granja do Marquês, current Air Base No. 1. It develops in the NE / SO a total length of 1900 meters (1500 m to the surface and 400 m underground). The longest section is composed of a basket handle arches resting on pillars of rectangular section. The construction of this hydraulic structure is linked to the campaign of improvements carried out in 1770 at Quinta da Granja do Marquês, by the Marquis of Pombal.
