Ruin Ravensburg: A Staufer-Period Castle in Germany
Site at a Glance
- Rating
- 4.4
- Popularity
- Low
- Country
- Germany
- Primary era
- Medieval
- Eras represented
- Medieval
- Civilizations
- Holy Roman Empire
- Site type
- Military
- Remains
- Castle
On this page9 sections
History
Ruin Ravensburg is a medieval castle ruin in Germany, south of Thüngersheim in Franconia, built around 1170 during the Staufer period by the Lords of Würzburg, ministerial servants of the bishop of Würzburg and the Empire. The castle occupied a hilltop position above the Main valley and became the seat from which its builders took the name Lords of Ravensburg. Heinrich of Ravensburg is first recorded under that name in 1178.
Power in the Main valley
Ravensburg formed part of a network of lordships connected to the Würzburg ecclesiastical principality, a territory ruled by the bishop of Würzburg as both church leader and territorial prince. Together with the feudal dependents of Falkenberg Castle on the opposite bank of the Main, the Ravensburg family controlled the valley north of Würzburg. Their position combined local authority with military and political service. Ministerials were legally unfree servants who could nevertheless hold offices, administer estates, and perform important military duties.
Destruction in 1202
On 3 December 1202, Bodo of Ravensburg and Heinrich of Falkenberg were convicted of murdering Konrad of Querfurt, the bishop of Würzburg. Pope Innocent III, whose pontificate lasted from 1198 to 1216, placed the castle lords and their helpers under a papal ban, a formal religious and political penalty. Ravensburg and Falkenberg were razed as punishment.
The Ravensburg and Falkenberg groups later escaped the ban under strict conditions and partly recovered their former property rights. Their castles, however, were never rebuilt. The destruction therefore ended Ravensburg’s role as a fortified seat, while the name survived in the local landscape and later in the Franconian collective vineyard site called Thüngersheimer Ravensburg.
Rediscovery and interpretation
Vineyard work in 1838 exposed remains in the area of the southern economic buildings. It revealed a large vaulted cellar and evidence that the castle had been destroyed by both demolition and fire. Later examination inside the tower also found traces of fire. In 1997, the municipality of Thüngersheim and the Directorate for Rural Development in Würzburg partially re-exposed the keep remains and installed a memorial plaque. A digital reconstruction of the castle complex was presented publicly in 2023.
Remains
Setting and defensive layout
Ravensburg occupies a trapezoidal rocky promontory on the right bank of the Main, about eight kilometres north of Würzburg. The spur is formed from shell limestone bedrock, projects into the river valley, and forms the tip of a wooded hill at about 240 metres above sea level. The castle once covered the entire rocky projection. Its enclosing walls measured approximately 40 metres along the north, west, and east sides and about 30 metres along the south side.
Enclosure and approach
A deep neck ditch, a defensive ditch cut across a projecting spur, protected the approach. A drawbridge provided the only access across it. Beyond the ditch, an outer ward contained economic buildings that supplied the occupants. The enclosing wall was mortared directly onto the bedrock and survives in places to a height of approximately one metre. It is up to three metres thick.
Keep and residential area
The powerful round keep dominated the castle. As the principal defensive tower, it served as a lookout and a final place of refuge, and it contained the dungeon. The surviving remains measure 11 metres in diameter and rise almost three metres above ground level. Beside it stood the palas, the main residential building of the castle lords. An interior wall divided the economic buildings from the residential area, and some of the economic buildings included basements.
Construction and archaeological evidence
The castle was constructed from shell limestone gathered at the site, while sandstone formed the surrounds of its windows and doors. The 1838 vineyard work exposed a vaulted cellar approximately 20 metres long and seven metres wide. Its dividing walls, which separated the individual economic sections, were still clearly recognizable at the time. The excavation also brought to light numerous brick fragments, charred beams, and remains of round window reveals made from red sandstone.
Only a few parts of the former castle are visible today. The exposed cellar remains, together with the fire traces found inside the keep, point to destruction by both burning and deliberate demolition.




