The remains of the Castle can be visited
Dreimühlen Castle

The castle ruin Dreimühlen, also known as Haus Dreimühlen, is a small hilltop castle in the Eifel region, which today remains only as a ruin.
History+
The history of Dreimühlen Castle begins in 1218 with the mention of an Oda v. Drimollen. In 1282, the castle was sold for 60 Cologne Marks to Gerhard IV of Blankenheim. The property was subsequently returned as a fief to the original sellers. In 1343, the Blankenheims transferred Haus Dreimühlen as a fief to Bernhard V (Lippe), who bequeathed it to his wife Richarda as a dower. In 1400, it passed to Werner von Dreymüllen, also as a Blankenheim fief. In 1431, Count Gerhard of Blankenheim transferred the castle to his wife Margareta, Countess of Mors.
Image: Pseudo2009 / CC BY-SA 3.0 via Wikimedia Commons
Location: 50.3265, 6.7693