Rohrbachgraben is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland. Rohrbachgraben was a municipality created out of widely scattered settlements and farms around the Rohrbach stream. Until the modern era it was politically part of the village of Rohrbach. During the Middle Ages the entire region was part of a district of the land owned by the Abbey of St. Gall. Agriculture still dominates the local economy. In 2009 there were still over 40 active farms in the municipality. More information...
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