The Siagne (; oc, Sianha) is a river that flows through the Var (department), Var and Alpes-Maritimes departments of southeast France. It is long. For much of its length, it forms the border between the two departments. Its drainage basin is .Bassin versant : Siagne (La)
Observatoire Régional Eau et Milieux Aquatiques en PACA Its source is near Escragnolles, flowing southeast, through Saint-Cézaire-sur-Siagne and Pégomas, and into the Mediterranean Sea in Mandelieu-la-Napoule, west of Cannes.

References

Rivers of France Rivers of Alpes-Maritimes Rivers of Var (department) Rivers of Provence-Alpes-Côte d'Azur Coastal basins of the Mediterranean Sea in France, 0Siagne {{France-river-stub