Gråborg
| Gråborg | ||
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 A gate of the plant |
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| Conservation status: | ruin | |
| Standing position : | Commercial fortification | |
| Geographical location | 56 ° 39 '56 " N , 16 ° 36' 18" E | |
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The Gråborg (Raae No Algutsrum. 16: 1) east of Algutsrum was a castle on the Swedish island of Oland , which today exists only as a ruin of the largest enclosed prehistoric fortifications.
The non-circular castle was expanded in stages and got its greatest expansion in the 12th century. It was roughly elliptical in shape, 210 meters long and 160 meters wide, and was surrounded by a four-meter high protective wall. The castle had three entrances, one of which had a tower that was built in the Middle Ages . It is not known when the castle was left to decay. During archaeological excavations, no building remains could be found inside. Due to the size of the facility, it is assumed that it was a trading venue. The small finds from the excavations are now kept in the Provincial Museum of Kalmar .
Knudkapelle
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Not far from the castle are the ruins of the Heiliger Knud chapel . It is therefore assumed that from here there were intensive relationships with Denmark and the Knudsgilde . Geomagnetic examinations revealed a deep ditch about five meters wide between the chapel and Gråborg. Traces point to at least seven houses and one street. An interruption in the trench suggests a bridge. There may also be a fountain.
Discovered with ground penetrating radar
A deep moat about five meters wide was discovered west of St. Knut's Chapel and Gråborg about 40 meters from the castle. There are traces of at least seven houses and a number of streets that all lead to Gråborg. Only excavations can show what it is exactly.
See also
Web links
- New finds near Fornborg
- Ölands fornborgar (PDF; 1.3 MB)
