Pet Wiki

Pyrenean Mastiff

Also called Mastín del Pirineo, Mostín d'o Pireneu, Gos ramader

A composed, kind and very intelligent giant that is affectionate with its people and generally easy-going with other dogs.

SizeGiant
Weight60 to 90 kg (132 to 198 lb)12
Height72 to 77 cm (28 to 30 in)males from 77 cm, females from 72 cm34
Lifespan10 to 13 years2
CoatDense, medium-length double coat
OriginSpain, in the Aragonese Pyrenees (historic Kingdom of Aragon).31
GroupPinscher and Schnauzer, Molossoid and Swiss Mountain and Cattle Dogs (FCI group 2)
Recognised breedShort profile
Calm and noble
Gentle and loving with its family
Brave, dependable guardian
354

Personality what they are like

A composed, kind and very intelligent giant that is affectionate with its people and generally easy-going with other dogs. It stands its ground confidently with strangers, reflecting its long career protecting flocks.354

Coat and looks how to spot one

dense, medium-length double coat

A very large, powerful but well-balanced mountain mastiff that should never look clumsy. Its thick, bristly coat is about 6-9 cm long, fuller around the neck, shoulders, legs and tail.34

Colourswhite with a clearly defined maskpatches of grey, golden yellow, brown, black or beigeears always marked34

The care rhythm a typical week and year

A typical home-care rhythm for a Pyrenean Mastiff. A starting point, not a vet's advice.

  • Brushingevery week
  • Bathevery 8 weeks
  • Nail trimSooner if you hear clicking on the floorevery month
  • Ear checkFloppy ears trap moisture, so check and dry themevery week
  • Teeth brushingDaily brushing is idealevery 2 days
  • ExerciseDaily walks and playevery day
  • Flea, tick and worm protectionSchedule as your vet recommendsas your vet recommends
  • Vet check-upSenior years usually start around age 6every year

Daily activity how busy a day looks

Moderate: daily walks and some playtime rather than intense exercise.2

Grooming and care the hands-on bits

Brush weekly and expect heavier grooming, or a professional blow-out, during seasonal shedding. Early socialisation and consistent, positive training suit its independent streak.2

Home where they are happiest

Best with plenty of space, such as a rural property or a home with a large secure garden; it can cope with time alone when its needs are met.32

Company who they like around

Loving with family and usually friendly with other dogs; early socialisation helps it settle well with children and other animals.32

The story where it all began

For centuries these dogs travelled with sheep on seasonal migrations to high Pyrenean pastures, guarding them from wolves and bears. After wolves vanished from the range in the mid-20th century the breed declined, and a breed club founded in 1977 revived it.315

Fun facts for the dinner table

  1. 1

    Working dogs often wore a spiked iron wolf collar called a carlanca.1

  2. 2

    Three of the dogs were exhibited in Madrid as early as 1890.1

  3. 3

    The breed was listed in Spain's first official dog registry in 1912.1

  4. 4

    The FCI standard sets minimum heights but no upper limit, and the UKC prefers the larger dog when quality is equal.4

Where the name comes from the story behind it

The breed name comes from the Pyrenees mountains in northeastern Spain, where it was traditionally used as a livestock guardian dog. The term 'Mastín del Pirineo' directly translates to 'Mastiff of the Pyrenees' in Spanish.1

Name ideas for your new friend

XaviPirineoValienteRocLunaCieloBrisaSolNieveTruenoBlancoAragon

A day in the life told by a Pyrenean Mastiff

I wake up slowly, stretching my giant paws across the cool stone floor. My humans are still asleep, so I pad softly to the window and watch the morning mist roll over the fields. When they finally stir, I wag my tail gently and lean against their legs for a scratch. Later, we walk through the village; I greet every dog with a polite sniff, and strangers get a steady, calm look. After lunch, I lie in the sun while the children play nearby, keeping one eye open. At dusk, I circle the yard once, then settle by the fire, content.

A made-up story, just for fun. Not advice of any kind.

Recognised by the official bits

FCI
Standard no. 92, Group 2, Section 2.2 Molossoid breeds, Mountain type; standard dated 30.08.2002. Fully accepted in 1954, per Wikipedia.3
UKC
Guardian Dog Group; recognised 1 July 2006.4
AKC
Listed on the AKC website as a rare livestock guardian breed.5

Treats they will love homemade and simple

Simple Carrot Crunchies

Carrots are low in calories and high in fibre, making them a crunchy, satisfying treat that won't pile on the pounds.

You need

  • 1 large carrot, washed and peeled

How

  1. Cut the carrot into thin, bite-sized sticks or rounds.
  2. Steam or boil the carrot pieces for 5–7 minutes until just tender, or serve raw for extra crunch.
  3. Allow to cool completely before offering to your dog.

How much: Give 2–3 small pieces per day for a medium-sized dog, adjusting for your dog's size and daily calorie allowance.

Recipe from The Kennel Club

Pumpkin & Yoghurt Pup-Cup

Pumpkin is packed with fibre and vitamins, helping dogs feel full without extra calories, and low-fat yoghurt keeps it light.

You need

  • 1 cooking pumpkin
  • ½ cup lactose-free, low-fat yoghurt
  • ½ cup lactose-free, low-fat whipping cream
  • Cinnamon, to sprinkle

How

  1. Peel the pumpkin and remove all seeds.
  2. Cut the flesh into small pieces and steam for 15 minutes until soft.
  3. Mash the cooked pumpkin until smooth and let it cool completely.
  4. Mix 1 tablespoon of the mashed pumpkin with the yoghurt.
  5. Spoon the mixture into a small paper cup.
  6. Whip the cream until soft peaks form and spoon it on top of the yoghurt mixture.
  7. Sprinkle a tiny pinch of cinnamon over the cream.

How much: One pup-cup is plenty for a medium-sized dog as an occasional treat. Adjust portion size for smaller or larger dogs.

Recipe from Dogs Trust

Homemade Dog Biscuits (Chicken & Rice)

A simple, tasty treat made from gentle ingredients that are easy on sensitive stomachs, perfect for rewarding without upset.

You need

  • 1 egg
  • 170g boiled chicken breast
  • 100g cooked plain rice
  • 60ml chicken stock (homemade or no added salt)
  • 680g plain flour (adjust as needed for consistency)

How

  1. Preheat oven to 180°C and line a baking tray with baking paper.
  2. Blitz the boiled chicken, cooked rice, and chicken stock in a blender until smooth.
  3. Transfer to a bowl, add the egg and flour, and mix well.
  4. Dust a clean surface with flour, turn out the dough, and knead until no longer sticky.
  5. Roll dough to about 1cm thickness and cut into shapes with a cookie cutter.
  6. Place on the tray and bake for 25–30 minutes until golden.
  7. Cool completely before serving.

How much: 1–2 biscuits as an occasional treat for a medium-sized healthy dog. Adjust for your dog's size, age, and activity level.

Recipe from Blue Cross

Not veterinary advice. Check with your vet first if your pet has allergies, a health condition, is on a special diet or is pregnant. Treats should stay a small part of the daily food. Cut to a safe size and supervise. Terms of use

Owner questions the things everyone asks

How often should I feed my Pyrenean Mastiff, and at what times?

Feed adult Pyrenean Mastiffs at least two meals a day, and puppies three to four smaller meals. Times can be morning and evening, but it's best to follow a consistent routine that works for you and your dog. Always check with your vet for the ideal schedule for your giant breed.6

What should a Pyrenean Mastiff eat, and which foods are dangerous?

Feed a high-quality dog food suitable for giant breeds, following the label's guidelines and your vet's advice. Avoid dangerous foods like chocolate, grapes, raisins, onions, garlic, xylitol, and macadamia nuts, as these are especially harmful to dogs. Always keep human treats like these out of reach.7

How often should I bathe a Pyrenean Mastiff?

Pet Wiki's starting plan suggests a bath every 8 weeks, but bathing at least once every three months is fine. Bathe more often if your dog gets very dirty or has skin issues, using a gentle dog shampoo. Always dry the thick coat thoroughly.8 Pet Wiki plan

How often does a Pyrenean Mastiff need brushing?

Brush your Pyrenean Mastiff weekly to keep its dense double coat healthy, and increase brushing during seasonal shedding. Pet Wiki's plan recommends a weekly brushing session. A professional blow-out can help manage heavy shedding.2 Pet Wiki plan

How do I trim a Pyrenean Mastiff's nails, and how often?

Trim nails about every 4 weeks, or sooner if you hear clicking on the floor. Use a proper dog nail trimmer and cut a little at a time, stopping before the quick to avoid bleeding. If unsure, ask your vet or a groomer for guidance.8 Pet Wiki plan

How much exercise does a Pyrenean Mastiff need?

Your Pyrenean Mastiff needs moderate exercise: daily walks and some playtime, but not intense activity. Pet Wiki's plan suggests daily walks and play to keep this gentle giant happy and healthy. Avoid over-exercising, especially in hot weather.2 Pet Wiki plan

How do I look after a Pyrenean Mastiff's teeth and ears?

Brush your dog's teeth ideally daily, or at least 2-3 times a week, using a dog-safe toothpaste. Check ears weekly for moisture and dirt, and dry them gently; never push anything into the ear canal. Pet Wiki's plan includes weekly ear checks and frequent teeth brushing.8 Pet Wiki plan

How long does a Pyrenean Mastiff live?

Pyrenean Mastiffs typically live between 10 and 13 years. With good care, a healthy diet, and regular vet check-ups, they can enjoy a long, happy life as part of your family.2

Is a Pyrenean Mastiff good with children and other pets?

Yes, this breed is loving with family and generally easy-going with other dogs. Early socialisation helps them settle well with children and other animals, making them a wonderful, gentle companion for a busy household.32

Can a Pyrenean Mastiff be left alone?

Pyrenean Mastiffs can cope with time alone when their exercise and social needs are met, but they thrive with company and plenty of space. Early training and a secure garden help them feel comfortable when left for reasonable periods.32

Written from the sources on this page, a few checked guides (VCA, ASPCA, RSPCA) and Pet Wiki's own starting care plan. A friendly guide, not a vet's advice.

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Where this comes from

Every fact on this page has a numbered source. Spotted an error? support@petwiki.app.

  1. Pyrenean Mastiff - Wikipedia en.wikipedia.orgused for other names, weight, history, facts
  2. Pyrenean Mastiff - DogTime dogtime.comused for lifespan, weight, exercise, grooming
  3. FCI standard no. 92 Mastín del Pirineo fci.beused for origin, recognition, height, coat, colours, temperament
  4. Pyrenean Mastiff - UKC ukcdogs.comused for recognition, height, coat, colours, temperament
  5. Pyrenean Mastiff - AKC akc.orgused for history, temperament
  6. VCA Animal Hospitals: Feeding times and frequency for your dog vcahospitals.comused for owner questions
  7. ASPCA: People foods to avoid feeding your pets aspca.orgused for owner questions
  8. ASPCA: Dog grooming tips aspca.orgused for owner questions

Checked 2026-09-30. Text is written in our own words from these sources.