The Bertradaburg is a

ruined Ruins () are the remains of a civilization's architecture. The term refers to formerly intact structures that have fallen into a state of partial or total disrepair over time due to a variety of factors, such as lack of maintenance, deliberate ...

hill castle A hill castle or mountain castle is a castle built on a natural feature that stands above the surrounding terrain. It is a term derived from the German ''Höhenburg'' used in categorising castle sites by their topographical location. Hill castles a ...

on a rock spur, , above the village of Mürlenbach in the county of

Vulkaneifel Vulkaneifel () is a district (''Kreis'') in the northwest of the state Rhineland-Palatinate, Germany. It is the least densely populated district in the state and the fourth most sparsely populated district in Germany. The administrative centre of ...

in the German state of

Rhineland-Palatinate Rhineland-Palatinate ( , ; ; ; ) is a western state of Germany. It covers and has about 4.05 million residents. It is the ninth largest and sixth most populous of the sixteen states. Mainz is the capital and largest city. Other cities are ...

. It thus stands in the geographical centre of

Merovingian The Merovingian dynasty () was the ruling family of the Franks from around the middle of the 5th century until Pepin the Short in 751. They first appear as "Kings of the Franks" in the Roman army of northern Gaul. By 509 they had united all the ...

Francia The Kingdom of the Franks (), also known as the Frankish Kingdom, or just Francia, was the largest History of the Roman Empire, post-Roman barbarian kingdom in Western Europe. It was ruled by the Franks, Frankish Merovingian dynasty, Merovingi ...

History

The castle was built on the remains of a

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...

castrum ''Castra'' () is a Latin language, Latin term used during the Roman Republic and Roman Empire for a military 'camp', and ''castrum'' () for a 'Fortification, fort'. Either could refer to a building or plot of land, used as a fortified milita ...

'', which probably guarded the Roman road from Trier to Cologne. In the castle, according to local tradition, Bertrada, the mother of

Charlemagne Charlemagne ( ; 2 April 748 – 28 January 814) was List of Frankish kings, King of the Franks from 768, List of kings of the Lombards, King of the Lombards from 774, and Holy Roman Emperor, Emperor of what is now known as the Carolingian ...

is said to have lived which implies that his birth was around 747 AD. The existence of the castle is first recorded in the 13th century when it is mentioned as a state fortress of the princely imperial abbey of Prüm (cf. the Middle Rhine Register or ''Mittelrheinisches Urkundenbuch''), archaeological finds have indicated that there were earlier fortifications on the site. After Prüm Abbey was occupied and damaged by French Revolutionary troops from 1794 to 1802, Mürlenbach's castle was seized as part of the forced

secularisation In sociology, secularization () is a multilayered concept that generally denotes "a transition from a religious to a more worldly level." There are many types of secularization and most do not lead to atheism or irreligion, nor are they automatica ...

of the abbey estate and auctioned by France to a private owner. In the late 20th century, the surviving castle walls and buildings were restored by the Tiepelmann family and the state-owned, 30-metre-high, ruined double tower gate was rebuilt with state finance. In 2009, the nine owners were given a grant from the federal and state budgets to secure and maintain the 16th-century, five-metre-thick, southwest

roundel A roundel is a circular disc used as a symbol. The term is used in heraldry, but also commonly used to refer to a type of national insignia used on military aircraft, generally circular in shape and usually comprising concentric rings of differ ...

. The 13th-century

shield wall A shield wall ( or in Old English, in Old Norse) is a military formation that was common in ancient and medieval warfare. There were many slight variations of this formation, but the common factor was soldiers standing shoulder to shoulder ...

was also renovated with funding from the state of Rhineland-Palatinate.

Description and present use

The 30-metre-high

tower house A tower house is a particular type of stone structure, built for defensive purposes as well as habitation. Tower houses began to appear in the Middle Ages, especially in mountainous or limited access areas, to command and defend strategic points ...

, the double tower gateway of the Betradaburg, is visible from a long way off. It has good views of the surrounding countryside and may be visited as part of a guided tour. Every year the Mürlenbach Castle Festival (''Mürlenbacher Burgfest'') takes place. The castle is privately owned and has holiday apartments which are currently being renovated.

External links

{{Commonscat, Bertradaburg
Website of the castle
Castles in Rhineland-Palatinate Heritage sites in Rhineland-Palatinate Vulkaneifel