Largest tributaries
The Birs (French: Birse) is a 73-kilometre long river in Switzerland that flows through the Jura region and ends as a tributary to the Rhine between Basel and Birsfelden. It is the most important river of the Swiss Jura.
The Birs (French: Birse) is a 73-kilometre long river in Switzerland that flows through the Jura region and ends as a tributary to the Rhine between Basel and Birsfelden. It is the most important river of the Swiss Jura.
