Lower Middle Rhine Region

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Map of the Middle Rhine

The lower Middle Rhine area is a natural spatial main unit within the main unit group Middle Rhine area on the Middle Rhine . It extends from the Rhine Valley immediately below Andernach to immediately above Bonn and also contains hilly landscapes on both sides of the Rhine and the Siebengebirge .

Most of the Lower Middle Rhine region lies in Rhineland-Palatinate , its north in North Rhine-Westphalia , and separates the Westerwald in the east from the Eastern Eifel and Voreifel in the west. To the north it goes over into the Lower Rhine (Cologne) Bay .

Natural structure

The lower Middle Rhine area is structured as follows (code numbers of the immediate Rhine valley sections in bold):

Lower Middle Rhine Valley

The Lower Middle Rhine Valley is the valley landscape of the Middle Rhine from immediately below Andernach to immediately above Bonn . It is divided in the direction of the Rhine into the Andernacher Pforte, the Linz-Hönninger valley widening and the Honnef valley widening. Due to its extensive valley widening, among other things, the geographers Heinrich Müller-Miny and Martin Bürgener defined this section of the valley, including the flanking main terraces (Rhine-Ahr terraces and Linz terrace), as the Middle Rhine Bay , and Müller-Miny, including the Pleiser Hügelland and the Siebengebirge, as the Middle Rhine Mountain bay . Müller-Miny and Emil Meynen proposed to combine the mountain bay with the Lower Rhine (Cologne) Bay to form a Rhenish bay , whereby their different large-regional allocation to the Rhenish Slate Mountains on the one hand and to the North German lowlands on the other would remain unaffected.

Andernach gate

The Andernacher Pforte , located on the left bank of the Rhine in the district of Mayen-Koblenz and on the right bank of the Rhine in the district of Neuwied (both Rhineland-Palatinate ), is the breakthrough valley of the Rhine through the edges of the Neuwied Basin to the Lower Middle Rhine Valley formed by quartzite and slate . It covers the just 5 km long and at the beginning just 1 km, inside always under 4 km wide section of the Rhine from immediately below Andernachs to Niederhammerstein .

To the west, the gate borders on the Laacher Kuppenland , which is continued further west by the Ettringer volcanic peaks and initiates the transition into the Hocheifel ; to the east, a part of the Niederwesterwald borders directly on the southern Rhein-Wied ridge .

Linz-Hönninger valley widening

The Linz-Hönninger valley widening represents the Rhine valley above Brohl-Lützings via Bad Hönningen , Bad Breisig , Sinzig , Linz and Remagen to Unkel . It is located on the left bank of the Rhine in the district of Ahrweiler and on the right bank of the Rhine in the district of Neuwied (both Rhineland-Palatinate ) and is around 22 km long with a width of 1.5 to 3.5 km; towards the end, in the north of Unkel, it narrows to about 800 m. On the left bank of the Rhine, the valley widening includes the fertile plain of the Golden Mile .

On the left bank of the Rhine are the Rhine-Ahr Terraces, which are divided by the Ahr estuary valley of the Ahr that flows above Sinzig and widen noticeably below that on the northeastern East Eifel, which flattens out towards the Lower Rhine Bay .

On the right bank of the Rhine, in the south, the valley meets the northern Rhine-Wied ridge as part of the Niederwesterwald , while from Hönningen the Linz terraces push themselves in front of the Rheinwesterwälder volcanic ridge (also Niederwesterwald).

View of the Honnef valley widening

Honnef valley widening

The Honnef valley widening , also called Honnef Bay , is the approximately 5 km long northernmost section of the Middle Rhine from the north of Unkels via Rheinbreitbach to Bad Honnef (on the right bank of the Rhine) or from Oberwinter over Rolandseck to Rolandswerth (on the right bank of the Rhine), above Bonn (district of Bad Godesberg ) . It is characterized on the left bank of the Rhine by a steep bank up to over 100 m high, opposite to which on the right bank of the Rhine is a much wider, crescent-shaped valley area. On the left bank of the Rhine, the widening of the valley lies almost entirely in the urban area of Remagen in the Ahrweiler district (Rhineland-Palatinate) and only touches the urban area of ​​Bonn ( North Rhine-Westphalia ) in the far north . On the right bank of the Rhine lies the south in the Neuwied district (RP) and the north in the Bad Honnef urban area in the Rhein-Sieg district ( North Rhine- Westphalia). From the narrow point in the north of Unkel, where the Rhine Valley is around 800 m wide, it widens to around 2 km, and then narrows again to just under 1.5 km. The widening of the valley contains the Nonnenwerther current splitting of the Rhine, which splits into three (formerly probably four) arms and is 874 m wide at river kilometer 641.0. On the western arm of the Rhine Roland Werther is the island Nonnenwerth , on the eastern Bad Honnef Altarm the island Grafenwerth .

On the left bank of the Rhine, the valley is accompanied by the Rhine-Ahr Terraces , which flatten towards the north towards the entrance to the Cologne Bay , the Godesberg Rhine Valley funnel, and gradually recede from it.

On the right bank of the Rhine, the Linzer Terraces connect to the south , to the east of it the northwestern edge of the Rheinwesterwälder volcanic ridge ( Niederwesterwald ), occasionally referred to as the Honnef Terrace Hill . To the east, the widening of the Honnef valley borders almost seamlessly on the Siebengebirge , which is part of the Lower Middle Rhine region.

literature

  • Emil Meynen , Josef Schmithüsen (Hrsg.): Handbook of the natural spatial structure of Germany . Federal Institute for Regional Studies, Remagen / Bad Godesberg 1953–1962 (9 deliveries in 8 books, updated map 1: 1,000,000 with main units 1960). [4./5. Delivery 1959, pp. 427-431; Author: Heinrich Müller-Miny]
  • Single sheets 1: 200,000:
  • Heinrich Müller-Miny: The Middle Rhine region and its natural structure . In: Federal Institute for Regional Studies (Ed.): Reports on German Regional Studies . Volume 21, Issue 2 (September 1958), self-published by the Federal Institute for Regional Studies, Remagen 1958, pp. 193–233
  • Emil Meynen : The urban landscape at the outlet of the Rhine and Sieg into the Cologne lowland bay . In: Institute for regional studies (ed.): The Middle Rhine country. Festschrift for XXXVI. German Geographers' Day from October 2nd to 5th, 1967 in Bad Godesberg . Franz Steiner Verlag, Wiesbaden 1967, pp. 150–283 (here: Map 1, design: Emil Meynen, Heinrich Müller-Miny).
  • Rolf Dietrich Schmidt: The Lower Middle Rhine Valley . In: Institute for regional studies (ed.): The Middle Rhine country. Festschrift for XXXVI. German Geographers' Day from October 2nd to 5th, 1967 in Bad Godesberg . Franz Steiner Verlag, Wiesbaden 1967, pp. 197-207.

Online sources

Individual evidence

  1. ↑ a b Ewald Glässer: Geographical land survey: The natural spatial units on sheet 122/123 Cologne / Aachen. Federal Institute for Regional Studies, Bad Godesberg 1978. →  Online map (PDF; 8.7 MB)
  2. ↑ Heinz Fischer: Geographical Land Survey: The natural spatial units on sheet 124 Siegen. Federal Institute for Regional Studies, Bad Godesberg 1972. →  Online map (PDF; 4.1 MB)
  3. ↑ Heinz Fischer, Richard Graafen: Geographical land survey: The natural space units on sheet 136/137 Cochem. Federal Institute for Regional Studies, Bad Godesberg 1974. →  Online map (PDF; 5.6 MB)
  4. ↑ a b Heinrich Müller-Miny, Martin Bürgener: Geographical land survey: The natural spatial units on sheet 138 Koblenz. Federal Institute for Regional Studies, Bad Godesberg 1971. →  Online map (PDF; 5.7 MB)
  5. ↑ The sheets 124 Siegen from 1972 (concerns 292.11) and 138 Koblenz from 1971 (concerns 292.00 [here only in the similarity 292.0 Laacher volcanoes ] and 292.11 [here: 292.101 Linz-Hönninger valley widening ]) each have only minimal marginal proportions - only 292.10 [ here: 292,100 Andernacher Pforte ] lies almost entirely on the Koblenz sheet.
  6. ↑ Map service of the landscape information system of the Rhineland-Palatinate nature conservation administration (LANIS map) ( notes )
  7. ↑ Landscape profile of the large landscape 29 Mittreltheing area of the landscape information system of the nature conservation administration Rhineland-Palatinate ( notes )
  8. ↑ Heinrich Müller-Miny: The Middle Rhine region and its natural structure . In: Federal Institute for Regional Studies (Ed.): Reports on German Regional Studies . Volume 21, Issue 2 (September 1958), self-published by the Federal Institute for Regional Studies, Remagen 1958, pp. 193–233 (here: pp. 212–230).
  9. ^ Heinrich Müller-Miny: considerations on the natural spatial structure . In: Institute for Regional Studies (Ed.): Reports on German Regional Studies . Volume 28, Issue 2 (March 1962), self-published by the Federal Institute for Regional Studies and Spatial Research, Bad Godesberg 1962, pp. 258–279 (here: 271).
  10. ^ Institute for Regional Studies (ed.); Heinrich Müller-Miny (arrangement): Geographical and regional explanations for the topographical map 1: 50000 . 1. Delivery, self-published by the Federal Institute for Regional Studies and Spatial Research, Bad Godesberg 1963, p. 34.
  11. ^ Heinrich Müller-Miny: The demarcation of the Cologne Bay as a geographical problem . In: Kurt Kayser, Theodor Kraus (ed.): Cologne and the Rhineland . Festschrift for the 33rd German Geographers' Day from May 22 to 26, 1961 in Cologne, Franz Steiner Verlag, Wiesbaden 1961, pp. 25–31.
  12. ^ Emil Meynen : The urban landscape at the exit of the Rhine and Sieg in the Cologne lowland bay . In: Institute for regional studies (ed.): The Middle Rhine country. Festschrift for XXXVI. German Geographers' Day from October 2nd to 5th, 1967 in Bad Godesberg . Franz Steiner Verlag, Wiesbaden 1967, pp. 150–283 (here: Map 1, design: Emil Meynen, Heinrich Müller-Miny).
  13. ↑ Günther Schell: The Middle Rhine Region and the "Golden Mile" . In: Heimatjahrbuch des Kreis Ahrweiler 1984 , pp. 87–92. ( online )
  14. ↑ Heinrich Müller-Miny: The Middle Rhine region and its natural structure . In: Federal Institute for Regional Studies (Ed.): Reports on German Regional Studies . Volume 21, Issue 2 (September 1958), self-published by the Federal Institute for Regional Studies, Remagen 1958, pp. 193-233 (here: pp. 217, 219).
  15. ↑ Hans-Eckart Joachim : Under our feet: New traces of old settlement . In: Bruno P. Kremer (Ed.): The Siebengebirge . Wienand Verlag, Cologne 2002, ISBN 3-87909-770-4 , pp. 37–43 (here: p. 43).
  16. ↑ Cläre Pelzer: Location and relief of the city of Bad Honnef on the Rhine . In: August Haag (ed.): Bad Honnef am Rhein. Contributions to the history of our home community on the occasion of their city elevation 100 years ago. Verlag der Honnefer Volkszeitung, Bad Honnef 1962, p. 5/6.
  17. ^ Robert Jasmund: The work of the Rheinstrom-Bauverwaltung 1851-1900 . Hall aS 1900, p. 102. ( online PDF ; 1.3 MB)