The map showing the route drawn by the GPS receiver.
The route as drawn by the GPS receiver
Source: The mountaineering map Julijske Alpe, vzhodni del, 1 : 50.000
The altitude profile of the route:
The altitudes recorded by the GPS receiver differ from the heights above sea-level as marked on the map by about 45 m.
The quick descent in the first part of the route is a mistake in the operation of the GPS receiver.