Various measures were planned and carried out on the Birs in Zwingen to enable fish passage and for flood protection: Lowering of the riverbed, reactivation of the former moat at Zwingen Castle (flood relief), flood embankment, replacement of a 3.5 m high drop with a block ramp and underpinning of the bank protection.
Tiefbauamt Kanton Basel-Land
Your contact person
Head of the Water Department
+41 61 406 13 11 | bWljaGFlbC5hZ2dlbGVyQGdydW5lci5jaA==