Complex sentence: Teton Glacier is located below the north face of Grand Teton in Grand Teton National Park, Wyoming and is surrounded by Mount Owen to the west and by Teewinot Mountain to the north, which comprise the peaks of the Cathedral Group.
Split into simpler sentences: Teton Glacier is a mountain glacier located below the north face of Grand Teton in Grand Teton National Park, Wyoming, USA. It is surrounded by Mount Owen to the west and by Teewinot Mountain to the north, which comprise the peaks of the Cathedral Group.