Monte Accellica is a mountain in the Monti Picentini range, located in Campania, Italy. The mountain is 1660 metres (5446 feet) tall, and is situated on the border between the provinces of Salerno and Avellino, divided between the comuni of Acerno, Giffoni Valle Piana, and Montella. Several rivers typical of the region have their sources on the slopes of Monte Accellica, including the Picentino, the Tusciano, and the Calore Irpino, which is itself the largest tributary of the Volturno.