Our (river)

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Our Luxemburg Germany.JPG
The Our flowing through the Ardennes in Luxembourg
Location Belgium, Luxembourg, Germany (Rhineland-Palatinate)
Reference no. DE: 2626
Length 96.111 km [1]
Source Northeast of the Eichelsberg in the municipality of Büllingen, parish of Manderfeld
50°22′38″N 6°20′45″E / 50.377186°N 6.345801°E / 50.377186; 6.345801Coordinates: 50°22′38″N 6°20′45″E / 50.377186°N 6.345801°E / 50.377186; 6.345801
Source height ca. 643 m
Mouth Near Wallendorf into the Sauer
49°52′30″N 6°17′12″E / 49.875111°N 6.28667°E / 49.875111; 6.28667
Mouth height ca. 177 m above sea level (NHN)
Descent ca. 466 m
Basin Rhine
Progression Sauer → Moselle → Rhine → North Sea
Catchment 668.334 km² [1]
at Gemünd Our gauge[2]
Record low:     50 l/s (in 05.07.1976)
Average low:    545 l/s
Average mid:   9.38 m³/s
Average high: 118 m³/s
Record high:   236 m³/s (in 22.12.1991)
The Our near Dasburg-Pont. Left: Germany, right: Luxembourg. The river is a condominium here
Our Vianden 018.jpg
The Our near Vianden
Sauer confluent Our.jpg
Confluence with the Sauer

The Our (pronunciation [u:r]; archaic German: Ur) is a river in Belgium, Luxembourg and Germany. It is a left-hand tributary of the river Sauer/Sûre. Its total length is 78 kilometres (48 mi).

The source of the Our is in the High Fens in south-eastern Belgium, near Manderfeld. It flows southwards, more or less along the German-Belgian border, and after Ouren, along the German-Luxembourg border. The historic town of Vianden lies on the Our. The Our empties into the Sauer in Wallendorf.


The river rises in the eastern Ardennes and western Eifel on Belgian soil. Its source near the village of Losheimergraben lies northeast of the Eichelsberg mountain (653 m) at 643 m near the B 265. Just a few hundred metres away is the source of the River Kyll. The Our initially follows the B 265, which is also the Belgian-German state border. The river continues alternating between Belgium and Germany. From the tripoint by the Europa Monument between Ouren (B), Sevenig (D) and Lieler (L) it runs almost entirely on the German-Luxembourg border until it reaches Wallendorf in Germany where it empties into the Sauer. It flows mainly from north to south but also meanders in places.

For the section where it runs along the German-Luxembourg border the Our is a jointly managed Condominium (the "Joint German-Luxembourg Sovereign Area"). Unilateral sovereignty only begins at the respective shore. In its upper reaches between Germany and Belgium, the state border lies, as is normal on the thalweg of the river.


– Location of the confluences measured from the source of the Our –

  • Auw (left, at km 9)
  • Ihrenbach (left, at km 21)
  • Braunlauf (right, at km 23)
  • Irmisch (left, near km 26)
  • Ulf (right, near km 30)
  • Irsen (left, near km 67)
Length of tributaries over 5 km

A comprehensive list that also includes the smaller tributaries is here.

Villages on the Our[edit]

The border village of Vianden, one of the most important tourist resorts in Luxembourg, lies on the Our. The Our Valley Route is a circular route that runs through Belgium and North Luxembourg. Especially worth seeing is the section between Manderfeld (Belgium) and Lieler (Luxembourg), where the route follows the Our almost all the way. It runs inter alia past Reuland Castle (Ouren) and the Europa Monument at the German-Belgian-Luxembourg tripoint.

Other villages are:


The Our is impounded north of Vianden by the Our Dam and forms the lower basin of the Vianden Pumped Storage Plant.



External links[edit]