Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Fleckistock - The Fleckistock (or Rot Stock) is a 3417 metres high mountain in the Urner Alps overlooking Wassen in the canton of Uri. It is the highest summit of the group lying east of the pass of Sustenjoch (2656 metres). This range starting at the Stucklistock and ending at the Salbitschijen separates the valleys of Voralp above Goschenen and Meiental above Wassen.The east flanks of the mountain are covered by glaciers.
A:
Natural Place