1) Mountain in Switzerland 2) Mountain of the Alps 3) Mountain of the canton of Uri 
The Tiefenstock (3,515 m) is a mountain of the Urner Alps, located on the border between the Swiss cantons of Valais and Uri. Its summit is the tripoint between the valleys of the Rhone Glacier (in Valais), the Damma Glacier and the Tiefen Glacier (both in Uri). ...