The Sile (Venetian: Sil) is a 95 km river in northern Italy. Its resurgent springs are near Vedelago (Province of Treviso) and it flows into the Venetian lagoon at the port of Piave Vecchia. It meets its tributary the Botteniga, or Cagnan, at Treviso.
Dante’s Cunizza da Romano prophesies the fate of Riccardo da Camino—he was apparently murdered at a game of chess—, locating it at this confluence: