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The Giebichenstein near Stöckse, Germany, in the district of Nienburg, Lower Saxony, is one of the largest erratic boulders of northern Germany. It weighs around 330 tons. A picture of the Giebichenstein is part of the emblem of the Stöckse municipality.
There is the supposition that during Wolstonian Stage the stone was deposited by glaciers as a part of a moraine. Near the Giebichenstein there are the remains of a dolmen, and at the stone itself there were found the remains of a Stone Age hunter's camp.
52°37′59″N 9°18′53″E / 52.63306°N 9.31472°E