The Rhine River (Rhenus)
Western Europe’s vital commercial artery, historical northern frontier of the Roman Empire, and heartland of the Holy Roman Empire.
Hydrological Influence & Ancient Statecraft
For centuries, the Rhine was both a natural barrier and a superhighway. Julius Caesar crossed it with a monumental timber bridge in 55 BCE to demonstrate Roman engineering to Germanic tribes, and the river became the heavily fortified northern border (Limes Germanicus). During the Middle Ages, castles sprouted along the Rhine Gorge as feudal princes levied customs tolls on wine, timber, and cloth barges.
Agricultural Surplus & Flood Pulse Ecology
World-renowned terraced viticulture (Riesling) on the steep slate soils of the Middle Rhine Gorge.
Hydrological Anatomy
- ✓Rhine Falls at Schaffhausen, the most powerful waterfall in mainland Europe
- ✓Dramatic Middle Rhine Gorge carved through the Rhenish Slate Mountains
- ✓Shared delta with the Meuse and Scheldt rivers entering the North Sea
- ✓Extensive canal interconnections linking to the Danube, Rhône, and Seine
About the Rhine
The Rhine ( RYNE) is one of the major rivers of Europe. The river begins in the Swiss canton of Graubünden in the southeastern Swiss Alps. It forms part of the Swiss–Liechtenstein border, then part of the Swiss–Austrian border. From Lake Constance downstream, it forms part of the Swiss–German border. After that, the Rhine defines much of the Franco-German border. It then flows in a mostly northerly direction through the German Rhineland. Finally, the Rhine turns to flow predominantly west to enter the Netherlands, eventually emptying into the North Sea.
Draining an area of 185,000 km2, it is the second-longest river in Central and Western Europe (after the Danube), at about 1,230 km (760 mi) with an average discharge of about 2,900 m3/s (100,000 cu ft/s). It also contains the most powerful waterfall in Europe, the Rhine Falls. The International Commission for the Hydrology of the Rhine Basin (CHR) and EUWID contend that the river could experience a massive decrease in volume, or even dry up completely in case of drought, within the next 30 to 80 years, as a result of the climate crisis.
Encyclopedic summary adapted from Wikipedia: Rhine (CC BY-SA 4.0).
Rhine in Depth
Geography
The length of the Rhine is conventionally measured in "Rhine-kilometers" (Rheinkilometer), a scale introduced in 1939 that runs from the 0 km datum at Old Rhine Bridge in the city of Konstanz, at the western end of Lake Constance, to the Hook of Holland at 1,036.20 km.
The river is significantly shortened from its natural course due to a number of canal projects completed in the 19th and 20th centuries. The "total length of the Rhine", including of Lake Constance and the Alpine Rhine is more difficult to measure objectively; it was cited as 1,232 kilometers (766 miles) by the Dutch Rijkswaterstaat in 2010.
The Rhine carries its name without distinctive accessories only from the confluence of the Rein Anteriur/Vorderrhein and Rein Posteriur/Hinterrhein next to Reichenau in Tamins.
Geologic history
The Rhine flows from the Alps to the North Sea Basin. The geography and geology of its present-day watershed has been developing since the Alpine orogeny began.
In southern Europe, the stage was set in the Triassic Period of the Mesozoic Era, with the opening of the Tethys Ocean, between the Eurasian and African tectonic plates, between about 240 MBP and 220 MBP (million years before present). The present Mediterranean Sea descends from this somewhat larger Tethys sea. At about 180 MBP, in the Jurassic Period, the two plates reversed direction and began to compress the Tethys floor, causing it to be subducted under Eurasia and pushing up the edge of the latter plate in the Alpine Orogeny of the Oligocene and Miocene Periods.
Military and cultural history
The Rhine was not known to Herodotus and first enters the historical period in the 1st century BC in Roman-era geography. At that time, it formed the boundary between Gaul and Germania.
The Upper Rhine had been part of the areal of the late Hallstatt culture since the 6th century BC, and by the 1st century BC, the areal of the La Tène culture covered almost its entire length, forming a contact zone with the Jastorf culture, i.e. the locus of early Celtic-Germanic cultural contact.
In Roman geography, the Rhine formed the boundary between Gallia and Germania by definition; e.g. Maurus Servius Honoratus, Commentary on the Aeneid of Vergil (8.727) (Rhenus) fluvius Galliae, qui Germanos a Gallia dividit "(The Rhine is a) river of Gaul, which divides the Germanic people from Gaul."
Sections adapted from Wikipedia: Rhine (CC BY-SA 4.0).
Rhine: Key Facts
| Average discharge | 2,200 m³/s |
|---|---|
| Drainage system | Rhine basin |
| Tributaries | Ruhr, Main, Neckar, Lippe, Sieg, Emscher, Moselle, Ahr |
Facts from Wikidata Q584 (CC0).
Rhine River: Quick Answers
- Which countries does the Rhine River flow through?
- The mapped course of the Rhine River runs through or along Switzerland, Austria, Germany, France and Netherlands.
- Where does the Rhine River begin and end?
- Source: Tomasee / Swiss Alps (Graubünden, Switzerland). Mouth: North Sea (Rotterdam Delta, Netherlands).
- How long is the Rhine River?
- About 1,230 km (764 miles), draining a basin of about 185,000 km².
- Which civilizations grew up along the Rhine River?
- Among them: Celtic Gauls, Roman Empire (Rhenish Limes), Franks and Holy Roman Empire.
Countries Along the River
The main stream from source to mouth, then any country only a tributary or delta branch reaches.