A majestic, mane-crowned guardian of the Himalayas.
Origin
Tibet / Himalayas
Height
24–30 in (61–76 cm)
Weight
70–150 lb (32–68 kg)
Lifespan
10–12 years
Coat
Thick, long, mane-like double coat
Energy
Low
Overview
The Tibetan Mastiff is an ancient, imposing guardian breed developed in the Himalayas to protect flocks and monasteries from wolves, leopards, and intruders. Its heavy mane and massive frame give it a lion-like, commanding presence.
Independent, aloof, and intensely protective, the Tibetan Mastiff bonds deeply with its family while remaining reserved and territorial. Bred to work alone at night, it is a serious guardian needing space, secure fencing, and experienced ownership.
History
One of the oldest guardian breeds, the Tibetan Mastiff protected Himalayan villages, flocks, and monasteries for millennia. Its isolation in the mountains preserved a hardy, independent dog revered for its courage and imposing stature.
Temperament
The Tibetan Mastiff is calm, devoted, and highly independent, gentle with family and wary of strangers. It is intelligent and stubborn, most active at night, needing early socialization and patient, respectful handling given its power.
Health to watch
Joint malformation is common in giant breeds; screening and lean weight help protect the joints.
A breed-specific inherited nerve disorder occurs in puppies; a DNA test identifies affected dogs.
Thyroid problems and entropion occur in the breed; monitoring and exams help manage them.
General breed tendencies, not a diagnosis. Every dog is an individual — pair this with regular veterinary care.
Care essentials
This guardian needs room to patrol and very secure fencing; it is unsuited to small or busy homes.
The thick mane and coat need regular brushing and shed heavily in a major seasonal blow.
Early, extensive exposure keeps the breed's powerful guarding instincts balanced and reliable.
XPET builds each pet a digital twin — modeling their real biology instead of breed averages, so care stays personal.