Enns (river) Enns (river) The Enns is a southern tributary of the Danube River, joining northward at Enns, Austria. The Enns River spans , in a flat-J-shape. It flows from its source near the towns of Gasthofalm and Flachau, generally eastward through Radstadt, Schladming, and Liezen, then turns north near Hieflau, to flow past Weyer and Ternberg through Steyr, and further north to the Danube at Enns ("see map in References"). The Enns has its source in the Radstädter Tauern mountains in the Austrian state of Salzburg. In a valley which developed during the ice age, it flows at the border between
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%