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
Grisa nera are grown almost exclusively in the Piedmont region strongly suggest that both varieties are native to Piedmont. Grisa nera is a mid to late ripening variety that is used for both wine and table grape production. The vine can be very vigorous, producing large foliage but often has low fertility and is generally low yielding. While Grisa nera has good resistance to most fungal diseases, such as downy and powdery mildew, it is susceptible to the viticultural hazard of coulure. Grisa nera is almost exclusively found in the foothills of the Alps in the Piedmont wine region of Italy. Here