It started at Fossbergom and then it followed the valley to the southwest before crossing the Sognefjellet mountains and then entering the Bergsdalen valley which leads into the Sogn region of Western Norway.
The route began in Fossbergom and flowed downhill through the valley on a southwestern course before ascending over the Sognefjellet mountains and then flowing into the Bergsdalen valley, which eventually merges with the Sogn area of western Norway.