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.
Grisa nera it is grown around the town of Pinerolo in the province of Turin and along the lower reaches of the Susa Valley. A few plantings of Grisa nera can also be found in the province of Cuneo. Throughout Piedmont, the grape is most often found in the field blends in the vineyard and in the winery is often blended with other local Piedmontese wine grapes including Barbera, Neretta Cuneese and Barbera. Over the years, Grisa nera has been known under a variety of synonyms including: Bigia, Grigia, Grisa, Grisa di Cumiana (in Pinerolo) and Uva Bigia. Grisa nera Grisa nera