Castle Ruin Stahlberg is situated a a side valley above Bacharach-Steeg.
Probably built in the 12th century by the "Erzbischöfe" from Cologne to secure their properties. Both castles, "Fürstenberg" and "Stahlberg" were released to the "Wittelsbacher Pfalzgrafen" in 1243. During the 30-years-war the castle was damaged by swedish troops in 1631. Later, in 1689 Stahlberg was destroyed completely by the french troops during the "Pfälzische Erbfolgekrieg".