Arock castle (German:Felsenburg) is a type of medievalcastle that directly incorporates natural rock outcrops into its defences to such an extent that the rock formations define the structure of the castle. Topographically, rock castles are classified ashill castles.
By contrast with the usual hill castles, that utilize the bedrock as a foundation for the individual buildings, the entire structure of rock castles is shaped by natural, often isolatedrock formations, such asrock towers or crags. Typically a rock castle was built on a rock that was able to provide a fortified position without any great additions. In simple fortifications of this type the rock could be climbed on simple ladders that were hoisted up in times of danger. Rock castles would also have wooden and stone structures built on or against them. The morphological characteristics of the rock were crucial to the extent and nature of any structures.
The rock on which the castle stands is always incorporated into its design. If the rock is easy to work (e.g.sandstone), rooms, passages, steps, well shafts and cisterns were invariably hacked out of it. The buildings, made of wood or stone, stood on or next to the rock and used it as a foundation or walls. The remains of wooden structures are not usually preserved today, but their location and appearance can be partially gauged by the joist bearings and joist holes still visible in the rock.
Rock castles occur in large numbers in the southernPalatinate (Palatinate Forest), in northernAlsace (North Vosges) as well as inNorth Bohemia andSaxon Switzerland, where great sandstone rocks provide the necessary prerequisite for their construction.
Most rock castles no longer exist today. Often the site wasslighted and then used by local residents as a stone quarry, so that apart from man-made alterations to the rocks themselves, only a few traces are still visible. However, several rock castles, like the ruins ofNeuwindstein still have substantial wall remains. A few rock castles were rebuilt in more recent times, e. g.Berwartstein Castle at the end of the 19th century and the imperial castle ofTrifels Castle, which was to have become a "site ofnational remembrance" (nationalen Weihestätte) during theNazi era. In both cases it was not a reconstruction of the medieval fortification but a contemporary new design.
Castle researcherOtto Piper used the German phraseausgehauene Burg (literally: "hewn-out castle") for castles that had rooms artificially hewn out of the rock on which the castle stood.[1] His examples of such rock-hewn castles includeFleckenstein,Trifels andAltwindstein. From a constructional point of view there is a close relationship withcave castles, which are also often enhanced with rooms artificially cut out of the rock.
The shapes carved out of the rock, such as foundation footings andputlock holes, are often wrongly interpreted by laymen as prehistoric or early history heathen cult sites. In some cases this has resulted in tourists being attracted, which in turn has caused considerable damage to these monuments. Foremost amongst these are Frankish castles in theHaßberge Hills, notablyLichtenstein Castle. The neighbouring castle ofRotenhan and others were inundated with visitors from throughout Europe. However, there is no archaeological evidence, as a rule, of pre-medieval use as site for cult rituals or sacrifices.
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