The Bist (archaic German: Bießt, French: Bisten) is a river in France and in Germany, and a 26.3-kilometre-long (16.3 mi) left tributary of the Saar. It is 26.3 km (16.3 mi) long, of which 15.8 km (9.8 mi) within France and on the French-German border.
|• location||Boucheporn, Moselle, Lorraine|
|• elevation||300 m (980 ft)|
|49°16′16″N 6°47′53″E / 49.27111°N 6.79806°ECoordinates: 49°16′16″N 6°47′53″E / 49.27111°N 6.79806°E|
|185 m (607 ft)|
|Length||26.3 km (16.3 mi)|
|Basin size||112.8 km2 (43.6 sq mi)|
|Progression||Saar→ Moselle→ Rhine→ North Sea|
The Bist begins near the French village of Boucheporn, Lorraine and flows northeastward to Creutzwald. From there it follows the Franco-German border northward 3 kilometres (1.9 mi) to Überherrn, then flows eastward to Werbeln (a district of Wadgassen) and northward to join the Saar immediately north of the Autobahn 620 bridge in Wadgassen, Saarland.