Grosne (river)

The Grosne (French: la Grosne, French pronunciation: [ɡʁon]) is a 96.7-kilometre (60.1 mi) long river in the Rhône and Saône-et-Loire departments in central eastern France.^[1] Its source is near Saint-Bonnet-des-Bruyères. It flows generally north. It is a right tributary of the Saône into which it flows in Marnay. Its largest tributaries are the Guye and the Grison.

Grosne
The Grosne at Cluny
Location
Country	France
Physical characteristics
Source
• location	Saint-Bonnet-des-Bruyères
• coordinates	46°14′52″N 04°28′37″E
• elevation	610 m (2,000 ft)
Mouth
• location	Saône
• coordinates	46°41′58″N 04°56′13″E
• elevation	170 m (560 ft)
Length	96.7 km (60.1 mi)
Basin size	1,000 km2 (390 sq mi)
Discharge
• average	10 m3/s (350 cu ft/s)
Basin features
Progression	Saône→ Rhône→ Mediterranean Sea

Departments and communes along its course

This list is ordered from source to mouth:

• Rhône: Saint-Bonnet-des-Bruyères
• Saône-et-Loire: Saint-Pierre-le-Vieux, Saint-Léger-sous-la-Bussière, Trambly, Montagny-sur-Grosne, Brandon, Clermain, Mazille, Sainte-Cécile, Jalogny, Cluny, Cortambert, Lournand, Massilly, Bray, Taizé, Ameugny, Cormatin, Malay, Savigny-sur-Grosne, Saint-Gengoux-le-National, Sercy, Bresse-sur-Grosne, Santilly, La Chapelle-de-Bragny, Messey-sur-Grosne, Lalheue, Laives, Saint-Ambreuil, Beaumont-sur-Grosne, Saint-Cyr, Varennes-le-Grand, Marnay