The line is OpenStreetMap's mapping of the route (© OpenStreetMap contributors, ODbL), via Waymarked Trails, with heights from a 30 m terrain model. Check the current official route before a long trip: diversions and permitted paths change. See the source.
The trail
The Karnischer Höhenweg (route 403) follows the Carnic Alps along the Austrian and Italian border from Sexten and Sillian by the Sillianer, Obstanser See, Porze, Hochweißstein, Wolayer See and Zollnersee huts to the Nassfeld, and on to Thörl-Maglern. Its length is given as about 155 km in eight to eleven stages; the line here, from OpenStreetMap, measures 152 km. It is a high hut-to-hut route: OpenStreetMap marks about one way in twenty as demanding mountain hiking and one as secured with a rope.
Stages
A suggested split into 8 days of about 18.9 km (11.8 mi). Each day ends at the town or village on the way nearest to an equal share of the distance, or at a hotel or hostel where there is none. These are not the official stages: check where you can stay before you book.
- Day 1 Sexten - Sesto to Obstansersee-Hütte 12.7 km · 12.7 km from the start
- Day 2 Obstansersee-Hütte to Porzehütte 11.4 km · 24 km from the start
- Day 3 Porzehütte to Hochweißsteinhaus 17.0 km · 41 km from the start
- Day 4 Hochweißsteinhaus to Wolayerseehütte 14.0 km · 55 km from the start
- Day 5 Wolayerseehütte to Zollnersee Hütte 24 km · 79 km from the start
- Day 6 Zollnersee Hütte to Sonnenalpe Naßfeld 22 km · 101 km from the start
- Day 7 Sonnenalpe Naßfeld to Feistritzer Alm 31 km · 133 km from the start
- Day 8 Feistritzer Alm to Maglern 19.0 km · 151 km from the start
Start and finish
Start: near Sexten - Sesto, South Tyrol. 46.71627, 12.36178
Finish: near Maglern, Bezirk Villach-Land. 46.54250, 13.65092
Places to stay
Rooms in the towns and villages along the way:
- Sexten - Sesto, South Tyrol · The start Booking.com → Expedia → Hotels.com →
- Obstansersee-Hütte, Bezirk Lienz · After day 1 Booking.com → Expedia → Hotels.com →
- Porzehütte, Bezirk Lienz · After day 2 Booking.com → Expedia → Hotels.com →
- Hochweißsteinhaus, Bezirk Hermagor · After day 3 Booking.com → Expedia → Hotels.com →
- Wolayerseehütte, Bezirk Hermagor · After day 4 Booking.com → Expedia → Hotels.com →
- Zollnersee Hütte, Bezirk Hermagor · After day 5 Booking.com → Expedia → Hotels.com →
- Sonnenalpe Naßfeld, Bezirk Hermagor · After day 6 Booking.com → Expedia → Hotels.com →
- Feistritzer Alm, Bezirk Villach-Land · After day 7 Booking.com → Expedia → Hotels.com →
- Maglern, Bezirk Villach-Land · The finish Booking.com → Expedia → Hotels.com →
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Paths change, and the weather decides the day. The line comes from the source named under the map and the heights from a terrain model, so treat the figures as a guide. Check for diversions before you go, take a map, check the forecast, and turn back if it isn't right.