The Siagne (French pronunciation: [sjaɲ]; Occitan: Sianha) is a river that flows through the Var and Alpes-Maritimes departments of southeast France. It is 44.5 km (27.7 mi) long.^[1] For much of its length, it forms the border between the two departments. Its drainage basin is 512 km² (198 sq mi).^[2] Its source is near Escragnolles, flowing southeast, through Saint-Cézaire-sur-Siagne and Pégomas, and into the Mediterranean Sea in Mandelieu-la-Napoule, 5 kilometres (3 mi) west of Cannes.

Siagne
Gorges of the Siagne
Show map of France Show map of Provence-Alpes-Côte d'Azur
Native name	La Siagne (French)
Location
Country	France
Physical characteristics
Source
• location	near Escragnolles
• elevation	640 m (2,100 ft)
Mouth
• location	Mediterranean Sea
• coordinates	43°31′52″N 6°56′54″E / 43.531°N 6.9482°E / 43.531; 6.9482
Length	44 km (27 mi)
Basin size	512 km2 (198 sq mi)
Discharge
• average	Mediterranean Sea