Tag:defensive=bergfried
 defensive = bergfried
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Bergfried - non-residential defensive tower of a medieval castle 
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| Group: historic |
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| Status: in use |
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The term 
Bergfried signifies in German technical literature a non-residential defensive tower of a medieval castle. This type was widely used since 12th century in Central Europe. Usually it was the last retreat position in case of an attack. Therefore the entrance was very high usually. If the main tower of the castle was meant as residential we call it donjon or keep (see defensive=donjon and defensive=keep).
How to map
Set a node 
or draw an area 
of the building's outline.
If the tower is ruined or the roof is missing you can map it using multipolygon relation.
- man_made=tower - mandatory
- tower:type=defensive - mandatory
- defensive=bergfried
- name=* - name of the tower
- historic=yes - mandatory
- building=yes - it is a building
- tourism=viewpoint - if it functions as a lookout tower or place a separate node for viewpoint.
- access=yes - the tower is accessible
- height=* - height of the tower in meters
- width=* - thickness of the tower's wall
- heritage=yes - protected by some heritage organisation
State
If it is ruined, add the tag ruins=yes.
Examples
Bergfried Drachenfels (the most visited ruin)
Bergfriedhradu Vilsegg in the Tyrol
Castle Schwarzenfels - Bergfried
Castle Rieneck - Bergfried
Castle Grubenhagen - Bergfried
Bergfried - diagram
Bergfried Gleiberg - diagram
Bergfried Freudenberg - sketch
Federal Archives, Wartburg, Eisenach, 1958
Similar tags
- defensive=donjon - historical residential fortified tower in countries under French influence
- defensive=keep - historical residential fortified tower in countries under English influence