Its source is below the
Sella Nevea mountain pass in the
Julian Alps, where it is known as the
Rio del Lago (
Seebach). It flows in a north-easterly direction through
Lago del Predil and via
Cave del Predil down towards the town of
Tarvisio. Here it enters the broad
Val Canale and its waters are swelled by a number of tributaries. Near the village of Coccau it is joined by the Rio di Fussine and at the village of Thörl, it crosses the border with
Carinthia, Austria, where it is called the Gailitz. It then passes through
Arnoldstein before flowing into the Gail. The water quality of the Gailitz in Austria has significantly improved since the closure of the Arnoldstein
lead works in 1987/88. Today it is today again the home range of fish like
brown trout,
grayling and even
European bullhead. ==Notes==