The Col de la Core (elevation 1,395 m (4,577 ft)) is a mountain pass in the Ariège department of France in the Pyrenees.

Starting from Audressein, the climb is 17.5 km (10.9 mi) long.

The climb proper starts at Les Bordes-sur-Lez, from where it is 14.1 km at 5.7%, with the steepest section being at 8.0%.

[2] Starting from Seix, the climb is 13.8 km (8.6 mi) long.

Over this distance, the climb is 885 m (2,904 ft) (an average of 6.4%), with the steepest section being at 8.0%.