Pyrenean Mastiff: minimum heights and care beneath the coat
The Pyrenean Mastiff is a very large dog with a broad, deep chest and a dense, bristly coat. Its own standard and care guidance differ from the separately listed Pyrenean Mountain Dog and Mastiff. Size, furnishings and growing-dog activity all deserve attention when planning daily handling.
Minimums are not upper limits
Both FCI and the UK Size clause set minimum heights of 77 cm for males and 72 cm for females, without an upper limit or numerical weight here. FCI additionally desires heights above 81 cm and 75 cm. The UK introductory description mentions 81 cm and around 73.5 cm; those introductory figures do not replace its own Size-clause minimums. Greater size is preferred only when quality is equal.
Length, chest and bristly hair
The body is slightly longer than the height at the withers, with a straight topline and broad, powerful chest. Both standards describe an ideal coat length of 6–9 cm measured along the middle of the topline. Hair is longer around the shoulders, neck, belly, backs of the legs and tail. The texture is bristly rather than woolly; a full outline should not become an exaggerated coat length.
Furnishings, drying and dewclaws
AKC’s own Pyrenean Mastiff guide recommends weekly brushing of the feathering behind the forearms, under the belly and at the rear, plus bathing when needed. UK lists daily grooming, so keep attention between fuller sessions. AKC describes twice-yearly coat shedding over a couple of weeks. It also calls for regular nail care, including front and rear dewclaws, ear checks and cleaning a dirty dewlap as required. After wetting, dry the coat through to the skin, especially in humid conditions.
Growing dogs and shared outings
UK lists up to an hour of daily exercise, a large house and large garden, in town or country. AKC suggests walks and fenced play while keeping planned activity appropriate to a growing dog’s age and conditioning before longer hikes. That is not a fixed puppy exercise dose. Compare the Tibetan Mastiff’s different minimums and seasonal tools, or the short-coated Dobermann’s daily brush and longer UK exercise category.
Sources and further reading
Pyrenean Mastiff (Imp) at a glance
These earlier UK breed guides are starting points for comparison. Details may have changed, and individual dogs vary.
- Breed group
- Working
- Size
- Large
- Daily exercise
- Up to 1 hour per day
- Grooming frequency
- Every day
- Coat length
- Medium
- Sheds
- Yes
- Suggested home size
- Large house
- Town or country
- Town or country
- Garden recommendation
- Large garden
- Lifespan
- Under 10 years
FCI breed standard
Standard guidance describes the breed ideal; individual dogs vary.
- Origin
- Spain
- Group
- 2 - Pinscher and Schnauzer- Molossoid breeds – Swiss Mountain and Cattle Dogs
- Section
- 2.2 - Molossoid breeds, Mountain type
- Height
- Males: Minimum: 77 cm; Females: Minimum: 72 cm; Males: Desirable: above 81 cm; Females: Desirable: above 75 cm
- Weight
- Not specified in this standard
There is no upper height limit. The minimums of 77 cm and 72 cm are distinct from the desirable heights above 81 cm and 75 cm.
Official FCI standard (PDF)
Standard effective from 1982-05-26; checked 2026-10-15





