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
Colombana nera ripening grape variety that can be very vigorous and high yielding if not kept in check by winter pruning and green harvesting. In the early 20th century, DNA profiling found a link between Colombana nera and another Tuscan wine grape, Mammolo. The evidence suggest that Mammolo is one of the parent varieties of Colombana nera which would make the grape a sibling to Pollera nera, Caloria and Biancone di Portoferraio. In 2000, there were 172 hectares (425 acres) of Colombana nera growing in Italy. In Emilia-Romagna it is found mostly in the province of Piacena while in Tuscany it can