Burgthalschloss Castle dans le Haut-Rhin

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Origin and history

Burgthalschloss is a small building located between the Schrankenfels and Haneck castles, on a ridge of the Alsatian Vosges, about 2 km southwest of Soultzbach-les-Bains (High Rhine). Unlike its neighbours, its small dimensions suggest that it was not designed as a seigneurial residence, but as an advanced military work designed to control the Haneck. Its name, often translated as "valley castle", reflects its strategic position in a secondary valley.

Probably built in the 13th century, the Burgthalschloss is part of a proliferation of castles in the region, linked to the clearing of Vosges valleys and rivalries between noble families (Hattstatt, Ribeaupierre, Girsberg). These constructions allowed the little nobility to impose itself against the great dynasties already installed on the plains. The site, though modest, had a key position on the ridge overlooking the Krebsbach and Ammelthal valleys.

No written source mentions Burgthalschloss directly, but its association with the Schrankenfels (attested as early as 1241) and the Haneck suggests a complementary defensive function. The two nearby castles, controlled by the Hattstatt and then the Schauenburg, were in competition with the Ribeaupierre. The Burgthalschloss, too small to be inhabited, was said to have been used as a surveillance post or as a lock for the passage between the two fortresses.

The materials used (local grauwacke, Turckheim granite) and the basic construction techniques indicate a rapid and economical realization, typical of the small Vosges castles of the thirteenth century. Unlike Schrankenfels, which was partially consolidated in the 20th century, Burgthalschloss was the subject of no known restoration and today remains as minor remains, often confused with nearby ruins.

The abandonment of the site probably occurred before the fifteenth century, like most castles in the region, rendered obsolete by the evolution of conflicts and the stabilization of seigneurial borders. The engravings of the 19th century, centered on the Schrankenfels, do not mention it, suggesting an advanced state of ruin since that time. Today, its remains are accessible via the trails leading to Schrankenfels, but no specific signs distinguish it.

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