Sulmona - Lakes, rivers and canals Acquedotto Svevo The Aqueduct was built around the middle of the thirteenth century by the Sulmonese themselves, during the period of Manfredi. The building has a length of almost 100 meters and covers 21 arches. A lot of invested in the maintenance of the aqueduct. It has always been a structure that characterized the city, being put on the paintings and postcards of Sulmona.