The Sambre is a river in northern France and in Wallonia, Belgium, left tributary of the Meuse River. The ancient Romans called the river Sabis.
The source of the Sambre is near Le Nouvion-en-Thiérache, in the Aisne department. It passes through the Franco-Belgian coal basin, formerly an important industrial district. Its Belgian portion was at the western end of the sillon industriel, which was Wallonia's industrial backbone. It is canalized along much of its length and flows into the Meuse River at Namur, Belgium. The Sambre is connected with the Oise River by the Sambre-Oise Canal.
The Sambre flows through the following departments of France, provinces of Belgium and towns:
The Sambre at Aulne
The Sambre at Aulne
The Sambre at Flawinne (Namur)
The Sambre at Flawinne (Namur)
The Sambre at Ham-sur-Sambre