Col de la Croix de Fer is a high mountain pass in the French Alps linking Le Bourg-d'Oisans and Saint-Jean-de-Maurienne.
Wikipedia https://en.wikipedia.org/wiki/Col_de_la_Croix_de_Fer
Address D926, 73530, France
Coordinates 45°13'38.965" N 6°12'11.991" E