A trade route across the mountain passes to the Gastein Valley in the north may already existed in the Bronze Age. It was used by the Celts from about 400 BC, and when the area was incorporated into the Roman Noricum province about 15 BC, these bridle paths were rebuilt as a Roman road.
A prehistoric trade route across mountain passes to the Gastein Valley in the north may have existed during the Bronze Age. The Celts utilized this path from approximately 400 BC, and when the region was incorporated into the Roman Noricum province around 15 BC, these trails were rebuilt as a Roman road.