Raus (Birs)

The Raus is a 9.7 km tributary of the Birs in the Klus of Moutier.

Course
The Raus rises at a spring at a height of 775 m roughly northwest of Gänsbrunnen in the Swiss canton of Solothurn.

The Grand Rue runs along the Raus, the road between Moutier and Balsthal, whose branch near Gänsbrunnen leads to the Weissenstein Pass.

After 9.7 kilometres the Raus empties into the Birs near Moutier at an elevation of 527 m above sea level.

Catchment area
The Raus flows through two Swiss cantons, Berne and Solothurn, and rises on the language boundary.