The remains of the castle can be visited
Château de Herrenstein
The Château de Herrenstein is a fascinating castle ruin in the French department of Bas-Rhin, perched at an elevation of approximately 409 meters above sea level. It stands as a testament to medieval architecture and draws visitors with its historically rich atmosphere to the Grand Est region.
History+
The origins of Château de Herrenstein date back to the early 11th century when it was constructed by the Counts of Eguisheim-Dabo. These powerful nobles shaped the early history of the region. A pivotal event in the castle's history was its destruction in 1676 by the troops of Joseph de Montclar, marking the end of its military significance.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://dieboldjeanineetguy.blogspot.de/2011/03/dossenheim-herrenstein-hunebourg.html
This description draws on the facts documented in the linked Wikipedia article; Wikipedia content is licensed under CC BY-SA 4.0. Wording and editing: Mobile History.
Location: 48.8247, 7.3948