page_title: Berken
section_title: Geography
hierarchical_section_title: Berken / Geography
caption_attribution_description: English: Berken, Graben, Walliswil bei Niederbipp and Walliswil bei Wangen, canton of Bern, Switzerland Esperanto: Berken, Graben, Walliswil ĉe Niederbipp kaj Walliswil ĉe Wangen, Kantono Berno, Svislando Deutsch: Berken, Graben, Walliswil bei Niederbipp und Walliswil bei Wangen, Kanton Bern, Schweiz
context_page_description: Berken is a municipality in the Oberaargau administrative district in the canton of Bern in Switzerland.
context_section_description: Berken has an area of 1.39 km² (0.54 sq mi). As of the 2005/06 survey, a total of 0.74 km² (0.29 sq mi) or 53.2% is used for agricultural purposes, while 0.42 km² (0.16 sq mi) or 30.2% is forested. Of rest of the municipality 0.16 km² (0.062 sq mi) or 11.5% is settled (buildings or roads), 0.06 km² (15 acres) or 4.3% is either rivers or lakes and 0.02 km² (4.9 acres) or 1.4% is unproductive land.
  From the same survey, housing and buildings made up 3.6% and transportation infrastructure made up 3.6%. Power and water infrastructure as well as other special developed areas made up 3.6% of the area A total of 28.8% of the total land area is heavily forested and 1.4% is covered with orchards or small clusters of trees. Of the agricultural land, 41.7% is used for growing crops and 10.8% is pasturage. All the water in the municipality is flowing water.
  The small municipality is located on the left bank of the Aare river. It includes the hamlets of Ober- and Niederberken and Christenhof. It belongs to the parish of Herzogenbuchsee.
  On 31 December 2009 Amtsbezirk Wangen, the municipality's former district, was dissolved. On the following day, 1 January 2010, it joined the newly created Verwaltungskreis Oberaargau.
caption: View of the Aare river with several municipalities. Berken is visible on the right side of the river in the middle of the picture.
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