Fluffy white guardian angel.
Pyrenean Mountain Dog
Also called Great Pyrenees, Chien de Montagne des Pyrénées, Patou, Pyrenäen-Berghund, Perro de Montaña de los Pirineos
From France (Pyrenees mountains on the French-Spanish border)12
A friendly guide, not veterinary advice. For anything about your pet's health, ask your vet.
At a glance the quick version
The FCI standard sets no weight. Hill's gives 85-120 lb (about 38.5-54.4 kg) for males, with females lighter; PDSA gives 40-50 kg for the breed overall; Wikipedia gives 55-75 kg overall. Ranges vary widely between sources.
Coat and looks how to spot one
long, dense double coat
A big, powerful dog that still moves with some elegance, slightly longer than tall. The outer coat is long, flat and supple over a thick woolly undercoat, a little crisper over the shoulders and back and fuller around the neck and on the plumed tail. A signature detail is the pair of well-formed double dewclaws on each hind leg.362
Personality what they are like
A composed, unhurried dog that is hard to rattle. It bonds closely with the people and animals it considers its own and tends to hold back and watch strangers before deciding what to make of them. Centuries of guarding flocks without a shepherd close by have made it self-reliant, so it listens best to patient, fair and consistent handling rather than pressure.3467
Daily activity how busy a day looks
Moderate. Around an hour a day for an adult is plenty, such as steady walks or hikes; it is not a dog that needs constant high-energy play. Puppies should have limited exercise while they are still growing.854
Grooming and care the hands-on bits
Brush two to three times a week with a slicker brush, and daily during the heavy spring and autumn moults, to keep the undercoat from matting. Expect white hair year-round. Keep the double hind dewclaws trimmed along with the other nails. Positive, reward-based training with plenty of patience suits this independent breed.458
Home where they are happiest
Needs a large home and a large, securely fenced garden; apartment life is a poor fit. The heavy coat makes it most comfortable in cool climates, so shade and care are needed in hot or humid weather. Can live in town or country.84
Food basics what goes in the bowl
A complete, balanced diet made for giant breeds. Puppies benefit from a large-breed growth food that keeps growth steady and controlled; adults should be kept lean with portions matched to their activity level.4
Company who they like around
Very attached to its household and happiest living as part of the family, where it can quietly keep an eye on everyone. Early socialisation helps it stay relaxed with visitors. Many live peacefully with other household pets.467
The story where it all began
Large white flock guardians have worked in the Pyrenees for as long as records reach. Their ancestors are thought to have been guardian dogs that came west from Asia Minor, and the breed then developed in relative isolation in the mountains, protecting sheep from wolves and bears and also standing guard at castles. In the 1670s the young Dauphin brought one back from Barèges, and the breed became fashionable at the court of Louis XIV. Once wolves disappeared from the range in the 1800s, numbers fell sharply and the breed came close to vanishing. Bernard Senac-Lagrange tracked down good specimens, founded the Réunion des Amateurs de Chiens Pyrénéens in 1923 and wrote the first standard, which has changed little since. In 1931 Mary Crane imported dogs to the United States, her male Urdos became a foundation sire, and the AKC recognised the breed in 1934. The FCI gave definitive recognition in 1955. Today the breed is back at work guarding flocks in the Alps and Pyrenees as well as living as a family companion.3291
Fun facts for the dinner table
- 1
Working dogs traditionally wore a heavy iron collar studded with long spikes to protect their throats when facing wolves.2
- 2
In 1824 the Marquis de Lafayette sent two male Pyreneans to the United States as a gift to John Stuart Skinner.9
- 3
Its hind legs carry double dewclaws, a feature the breed standard specifically asks for.3
- 4
In the past the dogs were used to carry packs of goods over Pyrenean mountain routes too rough for people.2
- 5
It is one of the breeds used in the 1830s to create the Leonberger.2
- 6
A 1986 survey found that 57% of livestock guardian dogs working on US farms were Great Pyrenees.2
- 7
Shepherds using these dogs in the mid-2000s reported about 90% fewer flock losses to predators.2
- 8
The French nickname 'Patou' comes from 'pâtre', an old word for shepherd.2
Recognised by the official bits
- FCI
- Standard No. 137, Group 2 (Pinscher and Schnauzer, Molossoid and Swiss Mountain and Cattledogs), Section 2.2 Molossian type, mountain type; definitive acceptance 25 Jan 1955; current standard published 13 Mar 20011
- Société Centrale Canine
- Breed registered in 1923, when the first standard was drafted by the Réunion des Amateurs de Chiens Pyrénéens2
- The Royal Kennel Club
- Pastoral Group8
- AKC
- Working Group, as 'Great Pyrenees'; recognised 1934 (AKC history article); Great Pyrenees Club of America recognised as AKC parent club in 1935 (GPCA)10
- UKC
- Guardian Dog Group, as 'Great Pyrenees'; recognised 19496
Popularity AKC rank 66 of registered breeds (as 'Great Pyrenees')11
The care rhythm Furry Diary remembers it for you
A typical home-care rhythm for a Pyrenean Mountain Dog. It is our own starting plan, not a vet's advice, and you can change every line in the app.
- BrushingDaily during heavy sheddingevery 3 days
- Deshedding spring and autumnExtra brushing while the coat blowsevery day
- Double coats insulate against cold and heat, so shaving is not recommended
- Bathevery 10 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
- ExerciseAbout 45 minutes a dayevery day
- Flea, tick and worm protectionSchedule as your vet recommendsas your vet recommends
- Vet check-upSenior years usually start around age 6every year
Owner questions the things everyone asks
How often should I feed my Pyrenean Mountain Dog, and at what times?
Feed adult Pyrenean Mountain Dogs at least two meals a day, and puppies three to four smaller meals. Stick to consistent times and avoid free feeding for puppies. Keep portions matched to activity to maintain a lean, healthy weight.124
What should a Pyrenean Mountain Dog eat, and which foods are dangerous?
Feed a complete balanced diet made for giant breeds. Avoid dangerous foods like chocolate, grapes, raisins, onion, garlic, and xylitol. Always check with your vet for the best diet plan.413
How often should I bathe a Pyrenean Mountain Dog?
A bath every 70 days (about every two to three months) is a good starting plan. You can bathe more often if your dog gets dirty, using a gentle dog shampoo.14 Furry Diary plan
How often does a Pyrenean Mountain Dog need brushing?
Brush two to three times a week with a slicker brush, and daily during heavy spring and autumn shedding. This keeps the thick undercoat from matting and controls the year-round white hair.458 Furry Diary plan
How do I trim a Pyrenean Mountain Dog's nails, and how often?
Trim nails every four weeks or sooner if you hear clicking on the floor. Cut a little at a time, stopping before the quick, and don't forget the double hind dewclaws.45814 Furry Diary plan
How much exercise does a Pyrenean Mountain Dog need?
An adult Pyrenean Mountain Dog needs about 45 minutes to an hour of steady exercise daily, like walks or hikes. Puppies need limited exercise while growing. This breed enjoys calm, moderate activity.854 Furry Diary plan
How do I look after a Pyrenean Mountain Dog's teeth and ears?
Brush teeth daily if possible, at least two to three times a week, using dog toothpaste. Check ears weekly and dry them gently; never insert anything into the ear canal.14 Furry Diary plan
How long does a Pyrenean Mountain Dog live?
Pyrenean Mountain Dogs typically live 10 to 12 years. With good care and regular vet checkups, they can enjoy a long, healthy life.4
Is a Pyrenean Mountain Dog good with children and other pets?
Yes, they are wonderful with children and other pets they are raised with, as they bond closely with their family. Early socialisation helps them stay relaxed with visitors. They are gentle and protective.467
Can a Pyrenean Mountain Dog be left alone?
This breed is self-reliant but very attached to its family, so it may not do well if left alone for long periods. It's best to ask a good breeder or your vet for advice specific to your dog.
Written from the sources on this page, a few checked guides (VCA, ASPCA, RSPCA) and Furry Diary's own starting care plan. A friendly guide, not a vet's advice.
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Where this comes from
Every breed page shows where each fact comes from. If we got something wrong, sorry, we are pet people, not a science magazine. Tell us at [email protected] and we will fix it.
- FCI Nomenclature: Chien de Montagne des Pyrénées (137) fci.beused for origin, classification, recognition dates, other names
- Wikipedia: Great Pyrenees en.wikipedia.orgused for other names, history, weight, fun facts
- FCI Standard N° 137 Pyrenean Mountain Dog fci.beused for history, appearance, coat, colours, height, temperament, dewclaws
- Hill's Pet: Great Pyrenees hillspet.comused for weight, lifespan, temperament, grooming, diet, climate
- PDSA: Pyrenean Mountain Dog pdsa.org.ukused for weight, exercise, grooming, training
- UKC: Great Pyrenees ukcdogs.comused for recognition, history, temperament, height, coat and colours
- National Great Pyrenees Rescue: Learn More nationalpyr.orgused for temperament, independence, family life
- The Royal Kennel Club: Pyrenean Mountain Dog royalkennelclub.comused for group, exercise, home and garden size
- AKC: Great Pyrenees History akc.orgused for history, US import dates, AKC recognition, fun facts
- akc.org akc.org
- AKC: Most Popular Dog Breeds of 2025 akc.orgused for popularity
- VCA Animal Hospitals: Feeding times and frequency for your dog vcahospitals.comused for owner questions
- ASPCA: People foods to avoid feeding your pets aspca.orgused for owner questions
- ASPCA: Dog grooming tips aspca.orgused for owner questions
- AKC: Great Pyrenees breed page akc.orgused for general description (supporting)
- Great Pyrenees Club of America gpcaonline.orgused for parent club recognition year
- ASPCA: Cat grooming tips aspca.orgused for owner questions
- RSPCA: What to feed your rabbit rspca.org.ukused for owner questions
Checked 2026-09-30. Text is written in our own words from these sources.