Colle d'Esischie is a high mountain pass at an elevation of 2.370m (7,775ft) above the sea level, located in the Cottian Alps, a mountain range in the southwestern part of the Alps, in Piedmont, Italy.
The road over the pass is closed in winters. It’s extremely narrow. It links the Valle Grana and the Vallone di Marmora. The pass has been climbed by the Giro d’Italia bicycle race and it has a never ending collection of hairpins. To reach the pass, starting from Ponte Marmora, the ascent is 20.3 km long. Over this distance, the elevation gain is 1.426 meters. The average percentage is 7 %. The surface of the road is asphalted.