The Ariegeois normally weighs approximately 28–30 kg. Males should stand 52–58 cm tall, and females 50–56 cm. The coat is smooth and short, white with clearly defined black markings; it is sometimes mottled, and there may be tan points at the head. The head of the dog is lean and elongated. There are no wrinkles. The eyes are dark and gentle. The ears are very soft and medium-length. The muzzle is of medium length, and the nose is black. The neck is slender and arched slightly, to the chest which is narrow and deep. The ribs are well-sprung with a strong, sloping back. It should have straight forelegs and strong, powerful hindlegs. The feet are hard and foxlike. The tail is slightly curved.
Overall, the Ariegeois is a talented scenthound, and affectionate and serene in the home. The Ariegeois is now being bred in Italy and used to hunt wild boar, performing well in this endeavour under Italian conditions.