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Sauer River
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River
The Sûre (Sauer) River, with a total length of approximately 173 kilometers, is one of Luxembourg's most important rivers and a major tributary of the Moselle. It originates in the Belgian Ardennes and flows through northern Luxembourg, where it feeds the Upper Sûre Lake. In its middle course, the Sûre forms the natural border between Luxembourg and Germany over long stretches. Geomorphologically, the river has carved deeply into the Oesling plateau, creating scenic meanders. The Sûre valley is known for its high biodiversity; the floodplain landscapes provide habitats for kingfishers, beavers, and numerous fish species such as trout and barbel. Historically, the river was an important trade route and the site of numerous mills. Today, the Sûre is a hub for leisure activities such as canoeing, fishing, and hiking along the cross-border Sûre valley.
- Location: Luxembourg
- Top sights: Saints-Pierre-et-Paul · Basilique Saint-Willibrord · Agora
- Nearby: Berdorf (5 km)
Best time to visit & climate
The most pleasant time to visit is Jun–Aug.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °C | 0 | 1 | 4 | 8 | 12 | 16 | 18 | 17 | 14 | 9 | 5 | 1 |
| Rain mm | 75 | 64 | 63 | 49 | 75 | 75 | 74 | 81 | 59 | 67 | 72 | 84 |
📋 Practical info
Getting there
The river can be approached from numerous small towns and trailheads spanning northern and eastern Luxembourg. Many regional walking and cycling paths naturally run parallel to the watercourse along the border.
Best season
Late spring through early autumn is typically the most enjoyable period for Riverside cycling, hiking, or mild water activities. Winter transforms the riverbanks into a quiet, frosty landscape convenient for brisk, scenic walks.
Terrain & paths
The terrain directly alongside the river mostly consists of flat, well-maintained paths that suit all fitness levels. However, trails leading away from the banks can quickly transition into the rugged, rolling hills of the region.
What to bring
Comfortable athletic or walking shoes are generally well-suited for traversing the paved or gravel riverside paths. Cyclists should bring their standard touring gear, while a windbreaker is often useful against the river breezes.
Parking
Most towns bordering the river offer dedicated public parking areas just a short walk from the main waterside paths. Larger trailheads usually feature ample gravel lots designed specifically for day-trippers.
Safety
Visitors are advised to stay vigilant regarding occasional changes in water levels and currents, particularly after heavy rains. Activities on the water itself should follow all regional safety warnings and border regulations.
Time needed
A typical riverside walk or cycle ride usually spans two to four hours, depending entirely on the chosen pace and distance. Many visitors spend a full day exploring the consecutive villages along the water's edge.
Geography
Facts
- The total length of the Sûre is 173 kilometers, 136 of which are in Luxembourg.
- The river flows into the Moselle at Wasserbillig at an elevation of 132 meters.
- The catchment area covers a surface of approximately 4,240 square kilometers.
- The Sûre forms the border between Luxembourg and the German state of Rhineland-Palatinate.
- Major tributaries include the Alzette, the Our, and the Wiltz.
- Water quality is monitored through continuous surveillance systems.
Explore nearby
Notable places around
Route planner — Car & Motorhome
Where do you start? We build the route here, with stops and country notes along the way.
Vehicle
Only stops with (optional):
© OpenStreetMap contributors · OpenRouteService
Sights in the town Sauer River (9)
Trifolion
Concert and congress hall in Echternach, Luxembourg.
Atrium
Theatre in Echternach, hosts events and shows.
Gothic House
House in Luxembourg, built in Gothic style.
Muttergotteskapell
Chapel in Echternach, dedicated to the Virgin Mary.
Echternacher Brücke
Bridge in Echternach, connects the banks of the Sauer.
Sights nearby
Frequently asked questions
Can you go canoeing on the Sauer?
Yes, it is very popular, especially between Wallendorf and Echternach.
Is the Sauer a border river?
Yes, for long stretches it forms the border between Luxembourg and Germany.
Are there cycling paths along the river?
Yes, there are excellent, flat cycling paths along almost the entire course of the river.
Is fishing allowed in the Sauer?
Fishing is allowed with a valid state permit.
Where is the most beautiful section?
The Sauer is particularly pretty in the north near Esch-Sauer.
Sauer River: where is it located?
Sauer River is located in Luxembourg.
Sauer River: what is there to see?
Highlights include Saints-Pierre-et-Paul, Basilique Saint-Willibrord, Agora.
Sauer River: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Sauer River: why is it worth visiting?
The Sûre (Sauer) River, with a total length of approximately 173 kilometers, is one of Luxembourg's most important rivers and a major tributary of the Moselle.
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Walferdange
Walferdange is located north of the capital in the Alzette valley.
Diekirch
A lively city on the Sûre river, famous for its military museum and the local beer featuring a donkey mascot.
Ettelbruck
An important transport hub and commercial center, known for its monument honoring General Patton.
Grevenmacher
Grevenmacher is located on the Moselle river in the east of the country.
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Echternach is the oldest town in Luxembourg and is located on the border with Germany.
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Bissen
Bissen is a commune in the Mersch canton in the middle of Luxembourg.
Junglinster
Junglinster is a municipality in eastern Luxembourg.
Steinsel
Steinsel is located north of the capital in the Alzette valley.
Colmar-Berg
Colmar-Berg is a Luxembourgish commune in the Mersch canton.
Niederanven
Niederanven is located east of the capital and is home to the Findel international airport.
Beaufort
Beaufort is a commune in eastern Luxembourg, known for its 11th-century castle.
Consdorf
Consdorf is located in the east of the Grand Duchy of Luxembourg in the Echternach canton.
Helperknapp
Helperknapp is a Luxembourgish commune in the Mersch canton.
History & landmarks
Vianden
A medieval town in the Our Valley, dominated by one of the largest and most impressive feudal castles in Western Europe.
Larochette
A picturesque town in the valley of the White Ernz, dominated by the imposing ruins of a medieval castle.
Bourscheid Castle
Luxembourg's largest castle complex stands on a 150-meter rocky promontory overlooking the Sûre river.
Wolfsschlucht
Wolfsschlucht is a deep rock crevice near Echternach with walls rising up to 50 meters.
Binzeltschlëff
A narrow rock gorge near Echternach that impresses with its high sandstone walls.
Champagne Rock
This striking rock in Müllerthal got its name due to its shape, which resembles a champagne cork.
Huel Lee
Huel Lee is an artificially enlarged cave near Berdorf.
Goldkaul
Goldkaul is a rugged rock face near Berdorf with yellowish discolorations in the sandstone.
Nature
More places
Basilica of Saint Willibrord
A significant religious building in Echternach, housing the crypt with the tomb of Saint Willibrord.
Echternach Abbey
The Benedictine Abbey of Echternach was founded in 698 by Saint Willibrord.
Roman Villa Echternach
The Roman Villa near Echternach is one of the largest and best-preserved Roman estates north of the Alps.
Fanuc Europe Headquarters
The European headquarters of the Japanese robotics giant Fanuc is located in Echternach.
Echternach Industrial Area
Beside tourism, Echternach has a significant industrial area on its outskirts.
Euro-Composite Echternach
Euro-Composite is a world-leading manufacturer of honeycomb composite materials.
Rosport Sûre Valley
At Rosport, the Sûre river follows a wide curve.