Burgruine Rauhenstein is a medieval castle ruin located in the Helenental northeast of Baden, approximately 30 kilometers from Vienna. Originally constructed in the 12th century by the Knights of Tursen, this imposing fortress once served as a strategic sentinel alongside Rauheneck Castle opposite, securing the important trade route through the Helenental valley. The castle's 20-meter-high tower remains the most distinctive feature of the ruin, which has endured centuries of conflict, destruction, and rebuilding throughout the Middle Ages. Today, Rauhenstein stands as a popular hiking destination offering spectacular photography opportunities both from the valley floor and from its ramparts, attracting visitors seeking to experience authentic medieval ruins within the scenic Vienna Woods landscape east of the capital.