The Glen of Imaal Terrier is a breed of dog of the terrier category. It originates in Wicklow, Ireland, and was developed as a working terrier, proficient in badger-baiting and hunting of fox.

Appearance
The Glen of Imaal is classified as a medium-sized dog with medium length coat, great strength with impression of maximum substance for the size of dog. Body longer than high. When full grown, the average Glen of Imaal weighs approximately 16 kg (35 lbs) and stands 35.5 cm (14 in) tall at the withers. The breed has a medium-length coat that is usually wheaten, blue, or brindle in color.

Temperament
The Glen of Imaal Terrier, though normally docile, can sometimes be dog-aggressive if provoked. There have been no reported serious injuries caused by the breed, but their hunting background is visible in some of the dogs. This means that some Glens have a high prey drive and might mistake domestic pets for prey (e.g., cats, rats, gerbils, etc.).

Characteristics
Active, agile and silent when working. Native of Co. Wicklow and named after the Glen of Imaal.