The municipality of Eygliers extends in the Hautes-Alpes department, 3.7 miles (6 km) from Guillestre and near the stronghold of Mont-Dauphin that it surrounds. Located on the Compostelle path and crossed by the GR541 hiking trail that runs through the Alps from Écrins to Queyras, it has always been a place of passage and exchange between the regions of Embrun, Briançon, and Italy. The village of 805 inhabitants overlooks the valleys of the Durance and its tributary, the Guil. It is located at an altitude of 3,329 ft (1,027 m) on a municipal territory that extends over 18.6 square miles (30 km²) between 2,890 and 8,759 ft (881 and 2,670 m).