From the mouth in the valley to the source of the glacier
- Difficultymedium
- Length75 km
- Duration23:00 h
- Elevation uphill2348 m
- Unique river hike: the Iseltrail follows one of the last free-flowing glacial rivers in the Alps from Lienz to Umbalkees
- Family-friendly sections: Mostly easy route with few technical challenges
- Nature experiences: Impressive gorges, suspension bridges, rapids and waterfalls along the way
- Adventurous finish: Spectacular views of the Umbalkees in a high alpine setting