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Public-images-osm logo.svg tower:type = defensive
Ravensburg Hirschgraben Wehrturm.jpg
Fortified defensive tower Show/edit corresponding data item.
Rendering in OSM Carto
Tower defensive.svg
Group: man made
Used on these elements
may be used on nodesshould not be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Useful combination
Status: de facto

 Fortified defensive tower. Usually it is located within the medieval city.

 Donjon(fr) is a residential defensive tower of the medieval castles built under French influence.

 Keep is main defensive tower of medieval castles built under English influence. It has both defensive and residential functions. Its continental counterpart is the French Donjon.

 Bergfried is a German scientific name for non-residential main defensive tower of medieval castles. This type was very common in Central Europe since the 12th century. If the main tower was designed for a permanent residence, it is called Donjon.

You can tag Donjon, Keep and Bergfried using additional tags defensive=donjon, defensive=keep, and defensive=bergfried.

How to map

Set a node node or draw as an area area along the outline and tag it with

Tag to use in combination

  • historic=yes - the tower is of historic value
  • heritage=* - the tower is protected by a heritage organization
  • height=12 - it is 12 meters high

Examples of defensive towers


Examples of residential defensive towers

tower:type=defensive + defensive=donjon

Examples of Keep

tower:type=defensive + defensive=keep

Examples of Bergfried

tower:type=defensive + defensive=bergfried


You can use the tag building:condition=State to indicated the state of medieval towers.

And/or, if applicable, you can use the tag ruins=yes.

Similar tags