Ahr
The Ahr is a tributary of the Rhine beginning at a height of approximately 520 meters above sea level in Blankenheim (the Eifel) in Fachwerkhauses to near the Blankenheimer Burg in North Rhine-Westphalia. After few kilometers it reaches Rhineland-Palatinate. Over Schuld, Altenahr, Bad Neuenahr-Ahrweiler and flowing into the proximity of Remagener of the Kripp, but on the side of Sinzig of about 50 m above sea level into the Rhine. The length is approx. 86 km, of 68 kilometers flows within Rhineland-Palatinate. The Ahr has a resoling downward flow of 0,4 per cent in and from 0,4 in Unterlauf to 0.8 per cent in Oberlauf.
The Ahr as a main river and the Nebenbaeche flows to the Osteifel for the Ahr-Eifel. This watershed is approximately 900 km². Ahr Nebenbaeche flows (from the delta river upward) Harbach (Ahr), Hellenbach, Bachemer Bach, Leimersdorfer Bach, Liersbach, Vischelbach, Sahrbach, Kesselinger Bach, Armuthsbach, Dreisbach (brook), Eichenbach, Adenauer Bach, Trierbach und Ahbach.
There were isolated settlements in the Ahr valley at the latest since the Roman times, the Roman mansion was with the Silberberg in Ahrweiler
That changed from themid -19th century. The development of the settlements, the traffic routes and the agricultural areas in the Ahrtal led to the fact that the riverbed was used.
