Col des Ares (elevation 797 m (2,615 ft)) is a mountain pass located in Haute-Garonne, between Juzet-d'Izaut and Fronsac, some thirty kilometres north of Bagnères-de-Luchon, and south-west of Aspet.

From Fronsac (west), the ascent is 8.4 km (5.2 mi) long.

Over this distance, the climb gains 330 m (1,080 ft) in height at an average of 3.9%.

[2] From La Moulette, near Cazaunous, (east), the climb is 6.7 km (4.2 mi) long climbing 310 m (1,020 ft) at an average of 4.6%.

[3] Before reaching Juzet-d'Izaut, the D618 crosses the Col de Buret 599 m (1,965 ft)[4] The Col des Ares was first used in the Tour de France in 1910 and has appeared frequently since.