Pyrenean Mastiff


As with most Mastiffs, the Pyrenean Mastiff has strong physical features. it is a breed with a massive body. The chest is both deep and wide. The breed has a massive head to match its body. Set upon its head are average-size ears that are “V” shaped. The breed has a somewhat short muzzle. Its eyes are smaller than average. At the neck it is well-muscled and thick. The neck extends to a strong back that is also well muscled. This breed’s tail is set on high. It has a coat that is long. The coat is most profuse at the neck, chest, back, and tail.


The Pyrenean Mastiff is a large breed with a gentle temperament. In addition to its family, this breed is also very pleasant with other pets (including dogs). People outside of its household may not receive a warm welcome when meeting this breed for the first time. It is very intelligent and is responsive to training. Its watchful nature makes it a great watchdog, and its courage makes it a good guard dog. A family should feel safe around this breed. It is fine with children, but since it is very large, young children or very small children should not be left alone with this breed.

Height and Weight

The Pyrenean Mastiff is about 28-34 inches tall and weighs about 120-175 pounds.

Health Problems

There are a few health problems associated with the Pyrenean Mastiff. Hip dysplasia, entropion, and ectropion are the most common conditions that this breed develops. It may also develop gastric torsion. Feeding the breed several small meals throughout the day is recommended to prevent the breed from developing gastric torsion.

Ideal Living Conditions

The Pyrenean Mastiff should not reside in living conditions that are too confining. This breed should have plenty of space. The breed will do fine in a moderate size yard that is enclosed with a well-built fence. This breed can easily adapt to extreme weather conditions.


Most breeds that spend a significant amount of time outdoors get plenty of exercise. The Pyrenean Mastiff is the exception because it is not very active. The breed needs significant exercise, so it is important that it has sufficient daily exercise.

Life Expectancy

The Pyrenean Mastiff has an average life expectancy of 12 years.

Litter Size

The Pyrenean Mastiff has an average of 4-8 puppies.


The coat of the Pyrenean Mastiff is comprised of two layers. The coat typically cleans itself. The top layer is susceptible to matting. Brushing the breed’s coat on a regular basis will help to keep the coat from matting.


The Pyrenean Mastiff was developed in the Pyrenees Mountains of Spain as a guardian of flock.




The coat of the Pyrenean Mastiff is typically white and gray, but may also be orange, brindle, or black.