The Château du Wasigenstein is a ruined castle in the commune of Niedersteinbach in the Bas-Rhin département of France.
The site was first known as the centre of the German legend of Waltharius in the 10th century.
The castle is state property and has been listed since 1898 as a monument historique by the French Ministry of Culture.
Two castles were built here in the 13th century each dependent on the other.
From the Wengelsbach pass on the D 190, parking at Wasigenstein, a footpath of the Club Vosgien, signposted with red ractangles, leads to the castle.
Coordinates: 49°2′52″N 7°42′6″E / 49.04778°N 7.70167°E