The Black Ernz (, , ) is a river flowing through
Luxembourg
Luxembourg ( ; lb, Lëtzebuerg ; french: link=no, Luxembourg; german: link=no, Luxemburg), officially the Grand Duchy of Luxembourg, ; french: link=no, Grand-Duché de Luxembourg ; german: link=no, Großherzogtum Luxemburg is a small lan ...
, joining the
Sauer at
Grundhof. It flows through the towns of
Junglinster and
Mullerthal.
Rivers of Luxembourg
{{Luxembourg-river-stub