The Glen of Imaal is classified as a medium-sized dog. 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.
Temperament:
The Glen of Imaal Terrier, though normally docile, can sometimes be 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.).
