Eau Rouge

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Eau Rouge
Eau Rouge01.jpg
Red water (eau rouge in French) on the banks of the river
Physical characteristics
 ⁃ locationHigh Fens
 ⁃ location
Length15 km (9 mi)
The final stretch of the Eau Rouge, as it joins the river Amblève near Stavelot

The Eau Rouge is a small, 15-kilometre (9 mi) long stream in the Belgian province of Liège, right tributary of the Amblève.

It starts in the Hautes Fagnes ("High Fens") and ends in Challes, near Stavelot in the river Amblève. The river gets its name from the coloration of the stones and riverbed due to reddish iron oxide deposits. The Eau Rouge is particularly geomorphologically interesting,[according to whom?] as it appears to be using the old Warche river stream bed.[citation needed]

The Eau Rouge has been a border river for several periods in its existence, including an administrative boundary under the Roman Empire between Cologne and Tongeren, and the state border between the Netherlands and Prussia from 1815 to 1839 and then between Belgium and Prussia from 1839 to 1919.

Eau Rouge and the F1 Circuit[edit]

The Eau Rouge has lent its name to the Eau Rouge corner, one of the best-known corners in Formula One race tracks in the Circuit de Spa-Francorchamps motor racing circuit, at the point where the track crosses it for the first time.


  1. ^ "Eau Rouge or Raidillon? Spa's 'confusing' corner names". formula1.com. Formula One World Championship Limited. 23 August 2018. Retrieved 31 December 2019.

Coordinates: 50°27′36″N 6°01′05″E / 50.46°N 6.018°E / 50.46; 6.018