The Serra del Cadí is a mountain range in the north of Catalonia, Spain, part of the Pre-Pyrenees. Its highest peak is the Vulturó, with an altitude of 2,648 metres (8,688 ft).

It stretches from east to west between Alt Urgell and Berguedà. The Llobregat River has its sources in Castellar de n'Hug at an altitude of 1,259 meters on the Serra del Cadí.