Grenzau Castle is a ruined spur castle at 250 m above sea level near Höhr-Grenzhausen in the county of Westerwaldkreis in the state of Rhineland-Palatinate. It is the only castle in Germany with a triangular bergfried.
The castle was built by Henry I of Isenburg around 1210 as Burg Gransioie, Old Fr. for "great joy" , from which its name developed through Gran Joie , Gransoge , Grensoy , Grensawe , La Grange , Grensove, Grensauwe, Grentzawe and finally Grenzau. The castle is first recorded in a document dated 6 January 1213 that states the Isenburgs had flouted the rights of Laach Abbey. In 1324 the middle line of the lords of Isenburg-Grenzau lived at the castle.
Source: Wikipedia.org
Copyright: Creative Commons 3.0
| | Public | German
Address: Westerwaldkreis, Germany
Statistics
Select one of the most popular activities below or refine your search.
Discover the most beautiful and popular trails in the area, carefully bundled into appropriate selections.
Source: Historiograf
Copyright: Creative Commons CC BY 2.0
Select one of the most popular categories below or be inspired by our selections.
Discover the most beautiful and popular attractions in the area, carefully bundled in appropriate selections.
Source: Historiograf
Copyright: Creative Commons CC BY 2.0
With RouteYou, it's easy to create your own customised maps. Simply plot your route, add waypoints or nodes, add places of interest and places to eat and drink, and then easily share it with your family and friends.
Route planner

<iframe src="https://plugin.routeyou.com/poiviewer/free/?language=en&params.poi.id=1378745" width="100%" height="600" frameborder="0" allowfullscreen></iframe>
© 2006-2026 RouteYou - www.routeyou.com