Gnandstein castle was built in the Romanesque style in the 13th century, probably only with a rectangular groundplan and a residential tower. Parts of the present building still date from this early period. The external walls were extended several times.
During the Thirty Years' War the castle was attacked by Swedish troops and partly destroyed. Shortly before the end of the war the south wing burned down after being struck by lightning.
The well house is more than 33 meters high, giving the visitor a broader view of the region. It was used as a watch tower. Guided tours are available.
References:Kakesbeck is one of the largest medieval fortifications in Münsterland and the oldest castle in Lüdinghausen. The imposingly grown complex originated in 1120 as a motte, a small hilltop tower castle. After numerous changes of ownership, the castle was extended onto two islands, but it was not until the 14th century that it underwent significant alterations and extensions under the von Oer family. The estate experienced its heyday in the middle of the 18th century, when it covered an area of almost one square kilometre and consisted of five further outer castles in addition to the core castle, which were secured by ramparts and moats.
The well-maintained condition of the castle today is thanks to the late Wilfried Grewing, the former lord of the castle. The foundation named after him has been particularly committed to preserving the property since 2020.