Ekkodalen

The 12 km long Ekkodalen ( Echotal ) in the center of Bornholm, the so-called Almindingen (of commons ), is the largest and longest of the gap valleys of the Danish island. It has an average width of 60 m. The old name of the Ekkodalen is " Styrtebakkerne ".

The rift valleys caused by the fact that tensions in the underground bedrock brought to burst. Because of its lower strength of the material is weathered and worn away by erosion in grave breach and cliffs have formed. Sometimes cracks with magma from the Earth's interior are filled, the so-called Diabasgängen. An example of this is the Kelsa - Diabasgang. Kelsa - diabase is only occasionally open in the field, however, the course of the occurrence along the fault zone across from Bornholm Saltune in the North is proven to Lobbæk in the south using geophysical measurements. Its present form has received the valley by the action of on Bornholm during the Quaternary ice ages across moving glaciers, the movement traces are in the form of glacier scrapes today in some places in the rocks of the valley sides visible.

By Ekkodalen and above the vertical cliffs running trails. Ekkodalen is known for the echo that resounds when one calls against the rocks. From the " Loklippen " from one can to the southeast on the " Vallensgård mose ", a bog situated on the intersection of two fault zones, see to Dueodde Fyr ( lighthouse). In the north of the valley is on a hill, the " Gammel Borg " ( Old Castle), located at the south end of the boulder Dronningestenen. In the vicinity of which lies Talendes " Jægergrotten ".

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