They extend from east to west for about 100 km (62 mi) between the Gail River, a tributary of the Drava and the Tagliamento, forming the border between Austria and Italy.
Alpine Club classification
The Carnic Alps are divided into two distinct areas:
Carnic Main Crest (Karnischer Hauptkamm) (AVE 57a)
Carnic Prealps (Karnische Voralpen), i.e. the Friaul Dolomites and their foothills, the former are, from the Mauria Pass southwards, counted as part of the group known as the Southern Carnic Alps (Südliche Karnische Alpen) (AVE 57b), which also includes the Bellunese Prealps (Venetian Prealps).