The Our is also the name of a stream in the municipality of Paliseul, Belgium, tributary of the Lesse.The Our (pronunciation [u:r]; archaic German: Ur) is a river of Belgium, Luxembourg and Germany. It is a left tributary to the river Sauer/Sûre. Its total length is 78 kilometres (48 mi).The source of the Our is in the Hautes Fagnes in south-eastern Belgium, near Manderfeld. It flows southwards, more or less along the German-Belgian border, and after Ouren along the German-Luxembourgish border.