Enns (river) below the Enns"). Finally, it meets the Danube at Mauthausen and the city of Enns. The Enns is a typical wild water river and draws its water from an area of more than , which is the fifth-largest in Austria. The average outflow at its mouth is . The Anisian Age in the Triassic Period of geological time is named from Anisus, the Latin name of the river Enns. In the middle of the 19th century, canals began to be built along the between Weißenbach and the Gesäuse, in order to make use of the water for agriculture and forestry.
Lech (river) the Lech valley from Neuschwanstein Castle, near Füssen. Inscriptions from 8/7 B. C. prove that the river name is first mentioned in the Celtic tribe name "Licates". The river itself is called "Likios" or "Likias" in the 2nd century. Around the year 570 the name "Licca" is found in records. In the 8th century, names such as "Lecha" and "Lech" appeared. The term "Licus" is still used in 1059. The name stands in analogy to the Welsh word "llech" ("stone slab") and the Breton word "lec'h" ("gravestone"). In this context, the meaning of the word "Lech" is explained as "the