The foothill zone of the Upper Rhine Plain () is the hill country in front of the mountains either side of the

Upper Rhine Plain The Upper Rhine Plain, Rhine Rift Valley or Upper Rhine Graben ( German: ''Oberrheinische Tiefebene'', ''Oberrheinisches Tiefland'' or ''Oberrheingraben'', French: ''Vallée du Rhin'') is a major rift, about and on average , between Basel in the ...

, especially those in front of the

Black Forest The Black Forest ( ) is a large forested mountain range in the States of Germany, state of Baden-Württemberg in southwest Germany, bounded by the Rhine Valley to the west and south and close to the borders with France and Switzerland. It is th ...

Vosges The Vosges ( , ; ; Franconian and ) is a range of medium mountains in Eastern France, near its border with Germany. Together with the Palatine Forest to the north on the German side of the border, they form a single geomorphological unit and ...

and

Palatinate Forest The Palatinate Forest (; ), sometimes also called the Palatine Forest, is a List of landscapes in Rhineland-Palatinate, low-mountain region in southwestern Germany, located in the Palatinate (region), Palatinate in the state of Rhineland-Palatina ...

. When the

rift In geology, a rift is a linear zone where the lithosphere is being pulled apart and is an example of extensional tectonics. Typical rift features are a central linear downfaulted depression, called a graben, or more commonly a half-graben ...

valley sank the

foothills Foothills or piedmont are geography, geographically defined as gradual increases in elevation at the base of a mountain range, higher hill range or an highland, upland area. They are a transition zone between plains and low terrain, relief hill ...

on the flanks of the mountain ranges were left hanging as

fault block Fault blocks are very large blocks of rock, sometimes hundreds of kilometres in extent, created by Tectonics, tectonic and localized stresses in Crust (geology), Earth's crust. Large areas of bedrock are broken up into blocks by Fault (geology) ...

s. The

strata In geology and related fields, a stratum (: strata) is a layer of Rock (geology), rock or sediment characterized by certain Lithology, lithologic properties or attributes that distinguish it from adjacent layers from which it is separated by v ...

of the platform have been preserved in this zone, whereas they have been eroded from the neighbouring higher blocks. They are usually covered by a layer of

loess A loess (, ; from ) is a clastic rock, clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust. Ten percent of Earth's land area is covered by loesses or similar deposition (geology), deposits. A loess ...

and offer good conditions for agricultural use. For example, in

Baden Baden (; ) is a historical territory in southern Germany. In earlier times it was considered to be on both sides of the Upper Rhine, but since the Napoleonic Wars, it has been considered only East of the Rhine. History The margraves of Ba ...

, the

Alsace Alsace (, ; ) is a cultural region and a territorial collectivity in the Grand Est administrative region of northeastern France, on the west bank of the upper Rhine, next to Germany and Switzerland. In January 2021, it had a population of 1,9 ...

and the Palatinate intensive orchard and vineyard cultivation is practised in the foothill zone.

External links

* (pdf; 1.8 MB) – Landesanstalt für Umwelt, Messungen und Naturschutz Baden-Württemberg {{coord missing, Germany Upper Rhine Geography of Rhineland-Palatinate Regions of Baden-Württemberg Geography of Grand Est