Parts of an ancient Roman road can be found on this hiking trail. It is an easy 5-hour hike in total, and only a half hour for Klais. It's not recommended for young kids, as well as during rainy weather. You take the train up to Klais from Mittenwald and go south past the chapel, to the start of the trail. The road connected Verona to Augsburg. More information can be found here.