Made on an ebike tour going from St.Maria near Müstair up to the Umbrail pass and up to the Stilfserjoch. Then later 2'380 meters down to Tirano via Bormio.
Only 4.5 more kilometers down to Bormio.
See also in German http://www.quaeldich.de/paesse/stilfser-joch/
The area of current Lombardy was settled at least since the 2nd millennium BC, as shown by the archaeological findings of ceramics, arrows, axes and carved stones... continues on wikipedia