Pyrenean Mastiff
VS
Great Pyrenees
Pyrenean Mastiff vs Great Pyrenees
Compare Pyrenean Mastiff and Great Pyrenees side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
Pyrenean Mastiff
Great Pyrenees
Breed type
Purebred
Purebred
Height
71 – 78 cm
65 – 80 cm
Weight
75 – 81 kg
34 – 60 kg
Life expectancy
11 – 13 years
10 – 12 years
Child friendly
4/5
5/5
Energy level
3/5
3/5
Intelligence
3/5
4/5
Trainability
3/5
3/5
Health
3/5
2/5
Grooming needs
3/5
4/5
Shedding
3/5
5/5
Barking level
3/5
3/5
Aggressiveness
3/5
3/5
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Characteristics
Pyrenean Mastiff
Great with kids
Giant
Great Pyrenees
Great with kids
Super smart
Giant
Summary
About Pyrenean Mastiff
Large Spanish livestock guardian, the Pyrenean Mastiff is a giant, steady dog with a dense white coat and dark patches. Calm, observant and deeply loyal, it’s affectionate with family yet reserved with strangers, needing space, firm but gentle training, and experienced ownership.
About Great Pyrenees
Large, calm livestock guardian from the Pyrenees, the Great Pyrenees is a powerful white, heavy‑shedding dog with a thick coat and double dewclaws. Gentle yet strongly protective, it needs secure fencing, steady socialization, mental stimulation, and experienced, patient handling.
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