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Aare

Aare
The Aare at Bern
Drainage basin of the Aare
Origin Canton of Bern, Switzerland
Mouth Rhine
Basin countries Switzerland, France
Length 295 kilometres (183 mi)
Basin area 17,779 km2 (6,865 sq mi)

The Aare (German pronunciation: ) or Aar is a tributary of the High Rhine and the longest river that both rises and ends entirely within Switzerland.[1][2]

Its total length from its source to its junction with the Rhine comprises about 295[3] km (183 miles),[1] during which distance it descends 1,565 m (5,135 ft), draining an area of 17,779 km2 (6,865 sq mi), almost entirely within Switzerland, and accounting for close to half the area of the country, including all of Central Switzerland.[3] There are more than 40 hydroelectric plants along the course of the Aare River.[4]

The river's name dates to at least the La Tène period, and it is attested as Nantaror "Aare valley" in the Berne zinc tablet which dates back to Roman Gaul. The name was Latinized as Arula/Arola/Araris[5][nb 1]

Contents

  • Course 1
  • Tributaries 2
  • Reservoirs 3
  • Notes 4
  • Footnotes 5
  • References 6
  • External links 7

Course

The Aare at Innertkirchen
Inside the Aare Gorge

The Aare rises in the great

  • The Aare Gorge (Aareschlucht)
  • Texts on Wikisource:

External links

References

  1. ^ a b c d e f g Bridgwater & Aldrich 1968, p. 11
  2. ^ a b c d e Gresswell & Huxley 1965, p. 27
  3. ^ a b Hoiberg 2010, p. 4
  4. ^ a b c Cohen 1998, p. 1
  5. ^ Kristol et al. 2005, p. 73
  6. ^ Forbiger 1848, p. 126f
  7. ^ a b c Anon 1973, p. 74
  8. ^ a b Gresswell & Huxley 1965, p. 272
  9. ^ a b c Anon 1973, p. 70

Footnotes

  1. ^ The river Obringa, mentioned by Ptolemy (2.7.9) as a tributary of the Rhine, has been identified with either the Mosel or the Aare[6]

Notes

Reservoirs

The convergence of the Aare and the Rhine at Koblenz
At the "Wasserschloss", where the rivers Aare, Reuss and Limmat flow together

Tributaries

From here the Aare flows northeast for a long distance, past the ambassador town Solothurn[1] (below which the Grosse Emme flows in on the right), Aarburg (where it is joined by the Wigger), Olten, Aarau,[1] near which is the junction with the Suhre, and Wildegg, where the Bünz falls in on the right. A short distance further, below Brugg it receives first the Reuss, and shortly afterwards the Limmat. It now turns due north, and soon becomes itself a tributary of the Rhine, which it surpasses in volume when the two rivers unite at Koblenz (Switzerland), opposite Waldshut, Germany. The Rhine, in turn, empties into the North Sea after crossing into the Netherlands.

Near the west end of Lake Thun, the river receives the waters of the Kander, which has just been joined by the Simme. Lake Thun marks the head of navigation.[4] On flowing out of the lake it passes through Thun, and then flows through the city of Bern, passing beneath eighteen bridges and around the steeply-flanked peninsula on which the Old City is located. The river soon changes its northwesterly flow for a due westerly direction, but after receiving the Saane or Sarine it turns north until it nears Aarberg. There, in one of the major Swiss engineering feats of the 19th century, the Jura water correction, the river, which had previously rendered the countryside north of Bern a swampland through frequent flooding, was diverted by the Hagneck Canal into the Lake of Bienne. From the upper end of the lake, at Nidau, the river issues through the Nidau-Büren channel, also called the Aare Canal,[2] and then runs east to Büren. The lake absorbs huge amounts of eroded gravel and snowmelt that the river brings from the Alps, and the former swamps have become fruitful plains: they are known as the "vegetable garden of Switzerland".

A little past Meiringen, near Brienz, the river expands into Lake Brienz. Near the west end of the lake it receives its first important tributary, the Lütschine. It then runs across the swampy plain of the Bödeli between Interlaken and Unterseen before flowing into Lake Thun.[1]

[2]

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