Austria has 9 trails including extra difficult, 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 62.5 km. This could be done in as little as 5 days. Trails with the best offering of hostels include Lechweg, Berlin High Trail, Stubai High Trail, Adlerweg, and Alpe-Adria Trail.