Austria has 9 trails including difficult, extra difficult, and medium difficulty trails. The trail with the highest elevation climb is Ötztal Trek and the one with the least climb is Alpannonia. The longest trail is Alpe-Adria Trail at 671 km. To complete this hike you should budget at least 40 days. For a shorter adventure you can try Stubai High Trail at 62 km. This could be done in as little as 5 days. Trails with the best offering of hostels include Alpe-Adria Trail, Lechweg, Die Glocknerrunde, Ötztal Trek, and Herz-Ass-Vilgratental.