The Sile (Venetian: Sil) is a 95 km river in the Veneto region in north-eastern Italy. Its springs are in the municipality of Vedelago in the Province of Treviso. It flows into the northern part of the Lagoon of Venice at the mouth of the River Piave Vecchia. It receives the waters of its tributary, the Botteniga, at Treviso.
