Marmot Trail Hike A worldwide unique nature trail through the natural habitat of animals sleeping all winter, a marmot adventure is guaranteed. Walking along the 3 kilometers on a car-free natural road following 11 informational stations all slightly 2000 metres above sea level through you will find out a lot about the Alpine marmot. (Available from June to September. Hiking duration: approx. 2 to 3 hours)