Col d'Étache in French, (in Italian Colle d'Etiache), is a pedestrian pass (el. 2,799 m) across the Cottian Alps. It connects Susa Valley (Province of Turin, Italy) and Maurienne (Savoie, France).
The pass is located between mount Gros Peyron (3,047 m, SE) and Cresta San Michele (or Pierre Minieu, 3,252 m, NW). It belongs to the water divide between the drainage basins of Arc and Dora Riparia (thus between Rhone and Po basins). In the SOIUSA (International Standardized Mountain Subdivision of the Alps) it connects two mountain groups belonging to the Noorthern Cottian Alps: Pierre Menue group (SOIUSA code:I/A-4.III-B.5) and Ambin group (SOIUSA code: I/A-4.III-B.6).
The pass can be accessed from south by a wide foothpath starting from Rifugio Scarfiotti, a CAI mountain hut located in the comune of Bardonecchia at 2,165 m. On the French side the footpath continues until Le Planey, a village of Bramans.