|Castle type :||Niederungsburg|
|Place:||Vogtei - Niederdorla|
The objects found in the old Germanic sacrificial moor in Niederdorla prove the activities of the local people at that time, who perhaps needed the disappeared Niederungsburg Sommerstein for their protection . The bog location could indicate a moated or swamp castle.
- http://www.burgdaten.de/castle.php?country_id=1&castle_id=35911 Retrieved on January 26, 2015