Mountain dog

Mountain dog is a term used in some English-language names of some breeds and regional varieties of dog, all livestock guardian types.{{cite book |last=Hancock |first=David |date=2014 |title=Dogs of the Shepherds: A Review of the Pastoral Breeds |location=Ramsbury, Wiltshire |publisher=Crowood Press |page=31 |isbn=978-1-84797-808-0 |quote=Some are called shepherd dogs, others mountain dogs and a few dubbed ‘mastiffs’ ...}}