Col des Mosses (elevation 1445 m) is a mountain pass in the western Bernese Alps of Switzerland.

It links Aigle, to the south in the valley of the Rhone, with Château-d'Œx, to the north in the valley of the Sarine, and is flanked to the west by the Mont d'Or and to the east by the Pic Chaussy.

From Aigle, the road ascends 1,028 metres (3,373 ft) over a distance of 18.8 kilometres (11.7 mi), whilst from Château-d'Œx it ascends 521 metres (1,709 ft) over 14 kilometres (8.7 mi).

[1][2][3][4] The Col des Mosses is also on the Alpine Pass Route hiking trail, and is a winter sports centre.

[5] The Tour de France has crossed the Col des Mosses on five occasions (in 1949, 1997, 2000, 2009 and 2016).