Saulx (river)
The Saulx is a 115 km long river in France, right tributary of the Marne. Its source is near the village Germisay. It flows generally northwest, through the following départements and towns:
- Haute-Marne: Effincourt
- Meuse: Montiers-sur-Saulx, Stainville
- Marne: Sermaize-les-Bains, Pargny-sur-Saulx, Vitry-le-François