Ahr ( German pronunciation: [ˈaːɐ̯] ) is a river in Germany , a left tributary of the Rhine . Its source is at an elevation of approximately 470 metres (1,540 ft) above sea level in Blankenheim in the Eifel , in the cellar of a timber-frame house near the castle of Blankenheim. After 18 kilometres (11 mi) it crosses from North Rhine-Westphalia into Rhineland-Palatinate .
19-649: The Adenauer Bach is a right-hand, southern tributary of the Ahr , just under 16 kilometres long. It flows through Adenau in the county of Ahrweiler in the German state of Rhineland-Palatinate . In its upper reaches the Adenauer Bach is known as the Breidscheider Bach and it rises about a kilometre south of Quiddelbach at an elevation of ca. 533 m above sea level (NHN) . It flows in
38-520: A height of 474 m above sea level (NHN) . It then flows through the Schwanenweiher pond below Blankenheim Castle . The stream, which runs in a south-easterly direction, through the valley meadows of upper Ahr valley, has not cut very deeply into the heights of the Eifel. Much of the upper Ahr valley is protected and follows the B 258 federal road . Below the hamlet of Ahrdorf in
57-582: A northeasterly direction to Breidscheid on the Nordschleife of the Nürburgring motor racing track. From there it bears the name of Adenauer Bach. It then flows in a westerly direction, mostly in pipes, through the town of Adenau and then heads north, passing the villages of Leimbach and Niederadenau (part of Dümpelfeld ). In Dümpelfeld it discharges from the right into the Rhine tributary,
76-558: A range of low mountains and hills up to 623.8 m above sea level (NHN) and 25 kilometres (16 mi) long in the Eifel region of Germany , which lie roughly southwest of Bonn on the border between the German states of North Rhine-Westphalia and Rhineland-Palatinate . The forested Ahr Hills have numerous tourist destinations (e. g. Aremberg Castle and the Effelsberg Radio Telescope ) and
95-696: Is bordered by a square enclosed by the Grafschaft and Remagen to the east, by Altenahr to the southeast, Antweiler to the south, Blankenheim to the west and Bad Münstereifel and Rheinbach to the north. To the north the terrain of the Ahr Hills descends into the Cologne Bay , to the east it drops down to the Voreifel and the valley of the Middle Rhine , to the south on the far side of
114-540: Is nevertheless the largest contiguous red wine -growing area in Germany, noted especially for wines made from the Spätburgunder ( Pinot noir ) grape. The Red Wine Trail runs through the southern slopes of the lower Ahr Valley, passing inter alia the former government bunker . Ahr Hills The Ahr Hills ( German : Ahrgebirge [ˈaːɐ̯ɡəˌbɪʁɡə] or Ahreifel [ˈaːɐ̯ˌʔaɪfl̩] ) are
133-572: The Ahr at about 209 m. The catchment area is 58.5 km² and drains via the Ahr and Rhine into the North Sea . Among the tributaries of the Adenauer Bach are the following (in downstream order): Ahr The Ahr flows through Ahr valley or Ahrtal , passing through the towns of Schuld , Altenahr and Bad Neuenahr-Ahrweiler . Between Remagen and Sinzig (south of Bonn ), at about 50 metres (160 ft) above sea level, it flows into
152-417: The Ahr Hills include: The Große Eifelroute ("Great Eifel Route"), a tourist route, runs through the Ahr Hills. There are also numerous footpaths for walkers. Amongst its places of interest are Aremberg Castle , on the eponymous hill above Aremberg , and the ruins of the 11th-century castle of Tomburg above Wormersdorf with views of Cologne. Near Effelsberg is the Effelsberg Radio Telescope , on
171-606: The Ahr is the Eifel proper (up to 747 m), to the west the Zitter Forest and in the northwest the North Eifel . The summits of the Ahr Hills include the: The Ahr Hills is crossed by the following streams, some of which have their sources here: In July 2021 the area was hit by severe rainfall and subsequent heavy flooding. The following towns and villages border the Ahr Hills: Other places in
190-516: The Ahr valley beginning at the latest in Roman times, evidenced by the Roman villa near Ahrweiler. Owing to their isolated location, the upper and middle parts of the course were sparsely populated. That began changing in the mid-19th century. The development of settlements and transportation routes (including three railway lines) and the expansion of the area used for agriculture in the Ahr valley led to
209-559: The Rhine. The length is roughly 89 kilometres (55 mi), of which 68 kilometres (42 mi) is within Rhineland-Palatinate. The Ahr has a gradient of 0.4 percent in its lower course, and 0.4 to 0.8 percent in its upper course. The Ahr and its tributaries are a main drainage system of the eastern Eifel. The watershed is approximately 900 square kilometres (350 sq mi). There were isolated settlements in
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#1732775557113228-528: The east and initially follows a very winding course. Here the river is accompanied by the B ;267 , although it does not follow every loop in the river. In Altenahr, the largest bend in the river beings; it is protected because of its flora and fauna. From here, the valley becomes a gorge bordered by the steep cliffs of the Ahr Hills . From Reimerzhoven the valley sides are dominated by vineyards, especially on
247-408: The few natural river mouths on the Rhine and is under protection . The tributaries of the Ahr include (in upstream order): Tributaries with a length of over 7 km (from source to mouth): Left tributaries are in dark blue; right tributaries in light blue. The Ahr is well known for the many vineyards that grace the hillsides downstream of the village of Altenahr . The small Ahr wine region
266-407: The municipality of Blankenheim, the Ahr reaches its southernmost point and enters the state of Rhineland-Palatine. From Müsch via Antweiler to Fuchshofen , the river runs northwards and turns east at Schuld heading through Insul to Dümpelfeld . Here, the Ahr collects the waters of the Adenauer Bach coming from the right and flowing in a northeasterly direction. In Altenahr, the valley bends to
285-423: The narrowing and constraint of the riverbed. The course of the river was graded and its banks were stabilized. Catastrophic flash flooding occurred on the Ahr in 1910 and 2021 resulting in the deaths of hundreds. The Ahr rises in the middle of the village of Blankenheim , in the Eifel region of the German state of North Rhine-Westphalia , in the basement of a timber-framed house in an enclosed spring at
304-414: The section of a Roman road with its ancient Eifel Aqueduct . The Ahr Hills are part of the Eifel , the bulk of which lies to the south and southwest of it. It lies on the left, i.e. northwestern, bank of the river Ahr , roughly 40 km southwest of Bonn . Sometimes the ridge on the right, southeastern, bank of the Ahr in the area of Altenahr is also counted as part of the Ahr Hills. This small range
323-487: The south-facing slopes north of the river, particularly around the villages of Mayschoß , Rech , Dernau and Marienthal . The last narrow point in the Ahr valley occurs below the Bunte Kuh ("coloured cow"), a rock formation that almost reaches the river and leaves little room for road and railway. In Walporzheim , the valley widens abruptly, and the Ahr passes through the county town of Bad Neuenahr . In Heimersheim ,
342-628: The summit of the Michelsberg is a Catholic chapel , dedicated to the Archangel Michael and regularly visited by pilgrims and walkers. Part of the Roman Eifel Aqueduct , which runs through the northern part of the Ahr Hills, is a popular tourist destination. The Ahr Valley with its wine centres is also picturesque; the southeastern slopes of the Ahr Hills above the Ahr have vineyards through which one may walk on
361-556: The vineyards end. The valley floor between Bad Bodendorf on the northern side and Sinzig on a terrace in the south is dominated by agriculture and fruit and vegetable growing. The mouth of the Ahr lies on the plain of the Golden Mile , between the Remagen district of Kripp and the town of Sinzig at a height of about 53 m above NHN . Since being re-naturalised (from 1979, see aerial photographs) it has been one of
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