Der Twannbach, französisch La Douanne, ist ein knapp sechs Kilometer langer Bach im Berner Jura, der in den Bielersee mündet. Er ist ein mittelsteiles, mittleres Fliessgewässer des montanen, karbonatischen Juras.
Quelle: Wikipedia (CC BY-SA) – de.wikipedia.org
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Der Twannbach, französisch La Douanne, ist ein knapp sechs Kilometer langer Bach im Berner Jura, der in den Bielersee mündet. Er ist ein mittelsteiles, mittleres Fliessgewässer des montanen, karbonatischen Juras.
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