 In Roman times "Clavenna", conquered in 16 BC by the troops of Emperor Augustus during his Alpine campaigns, temporarily was a town of the "Raetia et Vindelicia" province, though actually located on the Italian (Cisalpine Gaul) side of the Alpine crest, north of the head of the "Lacus Larius" (modern Lake Como) at the entrance of the Valle Spluga.The Romans had two important roads built from "Clavenna"