The White Ernz (, , ) is a river flowing through

Luxembourg Luxembourg, officially the Grand Duchy of Luxembourg, is a landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east, and France on the south. Its capital and most populous city, Luxembour ...

, joining the

Sauer The Sauer ( German and Luxembourgish, , ) or Sûre ( French, ) is a river in Belgium, Luxembourg and Germany. A left tributary of the Moselle, its total length is . Rising near Vaux-sur-Sûre in the Ardennes in southeastern Belgium, the Sauer f ...

at Reisdorf. It flows through the towns of

Larochette Larochette (; Luxembourgish: ''Fiels'', German: ''Fels'') is a commune and town in central Luxembourg, in the canton of Mersch. It is situated on the White Ernz river. The town is dominated by the partly ruined Larochette Castle. The town of ...

, Medernach and Ermsdorf. The river valley also includes the notable feature of having a twin castle from the 14th century named Larochette Castle. It gives its name to the commune of Vallée de l'Ernz, formed in 2012 through the fusion of Medernach and Ermsdorf.

References

Rivers of the Ardennes (Luxembourg) Rivers of Luxembourg Tributaries of the Sauer {{Luxembourg-river-stub