st-imier chasseral mt-soleil goumois saignelégier st-ursanne delémont porrentruy gruère
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Gruère (Etang de la)

Back in the 17th century, a dam was built in this 12,000-year-old bog to power a grain mill. And now we have a big pond in a beautiful protected area, with easy treks and perfect picnic spots all around!


The Pictorial Guide of the Cyclades
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