Several smaller streams also join it on the right: the Finita, Turbolo, Cucchiato, Campagnano, Mavigliano and Settimo. The river is also joined by several left tributaries including the Annea. It has a drainage basin of .
Several smaller streams flow into it on both sides: the Finita, Turbolo, Cucchiato, Campagnano, Mavigliano and Settimo. The river is also joined by several left tributaries including the Annea. It has a drainage basin of .