The Cosson (French pronunciation: [kɔsɔ̃]) is a 96.4-kilometre (59.9 mi) long river in central France, a right tributary of the river Beuvron.^[1] Its source is near the village of Vannes-sur-Cosson, Sologne. The Cosson flows through the following departments and communes:

• Loiret: La Ferté-Saint-Aubin, La Ferté-Saint-Cyr
• Loir-et-Cher: Vineuil, Candé-sur-Beuvron

Cosson
The Cosson at Candé-sur-Beuvron
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Location
Country	France
Physical characteristics
Source
• location	Sologne
• coordinates	47°41′50″N 02°14′58″W / 47.69722°N 2.24944°W / 47.69722; -2.24944
• elevation	134 m (440 ft)
Mouth
• location	Beuvron
• coordinates	47°29′41″N 1°15′3″E / 47.49472°N 1.25083°E / 47.49472; 1.25083
• elevation	64 m (210 ft)
Length	96.4 km (59.9 mi)
Basin features
Progression	Beuvron→ Loire→ Atlantic Ocean

The château de Chambord is built in one curve of the Cosson. The Cosson flows into the river Beuvron in Candé-sur-Beuvron, less than 1 kilometre (0.6 mi) from its confluence with the Loire.