Complex sentence: The Aiguille de Plat de la Selle, 3,596 m, is a mountain in the Dauphiné Alps of southeasther France, in the Soreiller group, reached from Saint-Christophe-en-Oisans or the Soreiller hut.
Split into simpler sentences: The Aiguille de Plat de la Selle, 3,596 m, is a mountain in the Soreiller group of the Dauphiné Alps in south-eastern France. Ascents of the mountain are via Saint-Christophe-en-Oisans or the Soreiller hut.