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) which up to 6,000 soldiers were stationed, was located on the site of modern Enns. The adjacent settlement (today: "Lorch") received the privileges of a "municipium" in 212 from Emperor Caracalla. At that time about 30,000 people lived here. During the Diocletian Persecution of Christians, a commander of the Roman army, Saint Florian, died as a martyr at "Lauriacum" on 4 May 304, when he was drowned in the Enns river. Only nine years later, the Emperor Constantine I proclaimed religious tolerance with the Edict of Milan. About 370, an Early Christian basilica was built on the remains of a