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.
Enns (town) Enns (town) Enns is a town in the Austrian state of Upper Austria on the river Enns, which forms the border with the state of Lower Austria. Enns was one of the first places in Austria to receive town privileges. The town charter dates to 22 April 1212, the document is displayed at the local museum. The date is also depicted on the Town Tower, the landmark of Enns. Enns extends for 7.5 km from north to south and 8.6 km from west to east. Its total area is 34.3 km², of which 12.8% are covered with forest, and 64.1%