The Airedale Terrier (often shortened to 'Airedale'), also called Bingley Terrier and Waterside Terrier, is a dog breed of the terrier type that originated in the valley (dale) of the River Aire, in the West Riding of Yorkshire, England. It is traditionally called the 'King of Terriers' because it is the largest of the terrier breeds. The Airedale Terrier ranks 37th in Stanley Coren's The Intelligence of Dogs, being of above average working dog.