Great Pyrenees Mixed With Pitbull: The Complete Breed Guide
Everything about the Great Pyrenees mixed with Pitbull: size, temperament, coat types, health risks, cost.
A Great Pyrenees mixed with a Pitbull is one of the more striking crossbreeds you'll encounter — a dog that combines the calm, guardian instincts of a mountain livestock dog with the athleticism and devotion of an American Pit Bull Terrier. This mix doesn't have a trendy portmanteau name yet, but it's gaining attention among experienced dog owners who want a loyal, protective companion with serious presence.
Before you bring one home, though, you need to understand what you're signing up for. Mixed-breed dogs inherit traits from both parents in unpredictable combinations, and when those parents are as physically and temperamentally different as a 100-pound flock guardian and a 60-pound terrier, the range of outcomes is wide. This guide breaks down everything we know from breed science, veterinary data, and real-world owner experience.
What Two Breeds Make Up This Mix?
To understand a Great Pyrenees mixed with Pitbull, you need to understand each parent breed individually. The traits your dog expresses will fall somewhere on the spectrum between these two very different dogs.
| Trait | Great Pyrenees | American Pit Bull Terrier |
|---|---|---|
| AKC Group | Working | Not AKC-recognized (UKC Terrier) |
| Weight Range | 85–160 lb (39–73 kg) | 30–65 lb (14–29 kg) |
| Height | 25–32 in (64–81 cm) | 17–21 in (43–53 cm) |
| Original Purpose | Livestock guardian (predator deterrence) | Bull-baiting, farm work, companionship |
| Energy Level | Low to moderate (bursts of activity) | High (sustained athletic output) |
| Coat | Thick double coat, heavy shedding | Short single coat, moderate shedding |
| Barking | Frequent (alert/guardian barking) | Moderate (alert barking, not excessive) |
| Lifespan | 10–12 years | 12–16 years |
| Key Temperament | Calm, independent, protective, nocturnal | Eager, people-oriented, tenacious, playful |
The Great Pyrenees is an ancient flock guardian breed from the Pyrenees Mountains between France and Spain. According to the AKC breed standard, they're patient, calm, and deeply protective — bred to make independent decisions about threats without human direction. They're nocturnal by nature (barking at night was part of the job) and can be stubborn with training because they were selected to think for themselves.
The American Pit Bull Terrier (APBT) is a muscular, agile terrier recognized by the United Kennel Club. Note: "Pitbull" is often used colloquially to describe several breeds — the APBT, American Staffordshire Terrier, Staffordshire Bull Terrier, and American Bully. For this guide, we're using the APBT as the primary reference, but individual mixes may involve any of these related breeds.
How Big Will a Great Pyrenees Pitbull Mix Get?
This is one of the most variable aspects of the mix. You're crossing a giant breed with a medium-sized athletic breed, so predicting adult size requires understanding genetic inheritance patterns.
| Category | Weight (lb / kg) | Height at Shoulder (in / cm) |
|---|---|---|
| Small end of range (Pitbull-dominant) | 45–65 lb (20–29 kg) | 18–22 in (46–56 cm) |
| Average / mid-range | 65–95 lb (29–43 kg) | 22–26 in (56–66 cm) |
| Large end of range (Pyr-dominant) | 95–130 lb (43–59 kg) | 26–30 in (66–76 cm) |
Most first-generation (F1) puppies land in the 65–95 lb range, but outliers happen. Males tend to run larger. If one parent is an oversized Great Pyrenees (some males exceed 160 lb), expect puppies to skew toward the heavier end. Growth plates in large and giant breeds don't fully close until 18–24 months, so your dog may continue filling out well past their first birthday.
Practical tip: Ask the breeder for the exact weight and height of both parents. A reasonable estimate for an F1 puppy's adult weight is the average of the two parents' weights, plus or minus 15%. So if the Pyr parent weighs 110 lb and the APBT parent weighs 50 lb, expect puppies around 65–95 lb at maturity.
Understanding Generations: F1, F1B, and Backcrosses
Generation terminology matters for mixed breeds. Here's what you'll encounter:
- F1 (First Generation): One purebred Great Pyrenees × one purebred Pitbull. Maximum genetic diversity. Most common for this cross. Traits are least predictable.
- F1B (First Generation Backcross): An F1 mix bred back to one of the parent breeds. For example, an F1 Great Pyrenees/Pitbull bred to a purebred Great Pyrenees. This produces puppies that are 75% Pyr and 25% Pitbull, leaning more heavily toward Pyr traits.
- F2 (Second Generation): Two F1 mixes bred together. Genetic variation actually increases in F2 litters — you can get puppies that look almost purebred Pyr and others that look almost purebred Pitbull in the same litter.
- Multigen (F3+): Multiple generations of mixed-to-mixed breeding. Rare for this particular cross since there's no established breed club or standard driving multigen programs.
Most Great Pyrenees × Pitbull puppies on the market are F1. Backcrosses (F1B) are occasionally produced when a breeder wants to emphasize the Pyr's calm temperament or the Pitbull's shorter coat. Always ask what generation a puppy is — it affects predictability.
Temperament: Best-Case and Challenging Scenarios
This is where the Great Pyrenees mixed with Pitbull gets both exciting and complicated. You're combining two breeds with strong protective instincts but very different expressions of those instincts.
Best-case temperament: Your dog inherits the Pitbull's people-orientation and eagerness to please alongside the Pyr's calm confidence. The result is a dog that's deeply bonded to family, friendly with familiar people, steady around children, and alert without being reactive. They greet guests warmly once introduced but remain watchful. They have enough energy for long hikes but settle quietly indoors.
Challenging temperament scenario: Your dog inherits the Pyr's independent stubbornness and nocturnal barking tendencies combined with the Pitbull's high prey drive and dog selectiveness. They may be aloof with strangers, difficult to recall off-leash, reactive to unfamiliar dogs, and prone to barking at every sound between 10 PM and 4 AM. Without early socialization, protective instincts can harden into territorial aggression.
Key temperament variables to prepare for:
- Dog tolerance: Pitbulls were historically selected for gameness with other dogs; Pyrs were selected to work alongside flock dogs. Your mix may be dog-friendly, dog-selective, or dog-aggressive — socialization from 8–16 weeks is critical regardless.
- Prey drive: Both breeds have prey drive (Pyr toward coyotes/wolves, APBT toward small animals). Cats, small dogs, and livestock may trigger chasing or aggression.
- Trainability: Pyrs are famously independent thinkers. APBTs are eager workers. Your dog may fall anywhere on this spectrum. Plan for patience and positive reinforcement methods — force-free training with high-value treats works best for both parent breeds.
- Separation behavior: APBTs are prone to separation anxiety; Pyrs tend to be more self-sufficient. If your dog leans toward the APBT side, expect distress when left alone for long periods.
Coat Types, Shedding, and Grooming Needs
The Great Pyrenees has a weather-resistant double coat — a dense, woolly undercoat beneath a long, flat outer coat. The Pitbull has a short, stiff single coat with no undercoat. Your mix will inherit some version of one, the other, or an intermediate coat.
| Coat Type | Description | Shedding Level | Grooming Frequency |
|---|---|---|---|
| Pyr-dominant double coat | Long (3–5 in), dense undercoat, feathering on legs/tail | Heavy (seasonal blowouts 2×/year) | Brushing 3–4×/week; daily during shed season |
| Intermediate coat | Medium length (1–3 in), moderate undercoat | Moderate year-round | Brushing 2–3×/week |
| Pitbull-dominant short coat | Short (under 1 in), single coat, stiff texture | Low to moderate year-round | Brushing 1×/week; wipe-down with damp cloth |
Is this mix hypoallergenic or low-shedding? No. Neither parent breed is hypoallergenic. Even the short-coated variant will shed. If allergies are a concern in your household, this is not the right mix for you.
Color possibilities are wide: white, cream, fawn, brindle, black, red, or combinations. Many inherit the Pyr's predominantly white coat with patches of the Pitbull parent's coloring. Some develop the Pyr's characteristic "badger marks" (gray-brown patches on the head and body).
Grooming tools to budget for: If your dog inherits a double coat, invest in an undercoat rake ($15–$25), a slicker brush ($12–$20), and a high-velocity dryer ($100–$180 for home use, like the B-Air or Shelandy Pet models). Professional grooming for a large double-coated dog runs $80–$150 per session, every 8–12 weeks.
Health Considerations: Hybrid Vigor vs. Reality
Let's address a persistent myth: mixed-breed dogs do not automatically escape the health problems of their parent breeds. The concept of "hybrid vigor" (heterosis) suggests that genetic diversity reduces the risk of recessive inherited diseases — and there is some evidence for this. A study published in the Journal of the American Veterinary Medical Association found that mixed-breed dogs had lower odds of several inherited disorders compared to purebreds. However, mixed breeds can still inherit dominant or polygenic conditions from either parent.
Here's what you should screen for, based on both parent breeds' known health risks:
| Condition | From Which Parent | Prevalence | Screening Test | Estimated Treatment Cost |
|---|---|---|---|---|
| Hip dysplasia | Both (high risk in Pyrs) | ~29% in Great Pyrenees (OFA data) | OFA or PennHIP radiographs | $1,500–$7,000 (surgical) |
| Elbow dysplasia | Great Pyrenees | ~8% in Great Pyrenees | OFA elbow radiographs | $1,500–$4,000 (surgical) |
| Cardiac conditions (aortic stenosis, cardiomyopathy) | Both | Variable | Cardiac exam + echocardiogram | $200–$500 (diagnostics); $50–$200/mo (medication) |
| Patellar luxation | Pitbull (smaller-frame parent) | ~4% in APBT-type breeds | Orthopedic exam | $1,000–$3,500 (surgical) |
| Bloat (GDV) | Great Pyrenees (deep-chested) | Higher risk in giant breeds | Prophylactic gastropexy recommended | $3,000–$7,000 (emergency); $400–$800 (prophylactic) |
| Skin allergies / atopic dermatitis | Pitbull (high prevalence) | Very common in pit-type breeds | Dermatological exam, allergy testing | $200–$600/year (management); Apoquel $50–$150/mo |
| Demodectic mange | Pitbull (genetic predisposition) | Elevated in pit-type breeds | Skin scrape | $50–$200 (treatment course) |
| Bone cancer (osteosarcoma) | Great Pyrenees (large-breed risk) | Higher in giant breeds over 7 years | Radiographs, biopsy | $3,000–$8,000 (amputation + chemo) |
What to ask a breeder: Request OFA (Orthopedic Foundation for Animals) or PennHIP certifications for both parents' hips, OFA elbow and cardiac clearances, and documentation that neither parent has a history of demodectic mange or severe allergies. A responsible breeder will have these on file. Budget $300–$600 for a comprehensive wellness exam within the first month of bringing your puppy home, and discuss a hip/elbow screening timeline with your veterinarian — typically radiographs at 12 months and again at 24 months for large breeds.
⚠️ Bloat awareness: Gastric dilatation-volvulus (GDV) is a life-threatening emergency common in deep-chested large breeds. If your dog inherits the Pyr's barrel chest, they're at elevated risk. Know the signs: distended abdomen, unproductive retching, restlessness, pale gums. This is a call-your-vet-immediately situation. Ask your vet about prophylactic gastropexy (stomach tacking) at the time of spay/neuter — it costs $400–$800 and can prevent a fatal torsion.
Training, Exercise, and Socialization Requirements
This mix needs a deliberate training plan from day one. You're working with a dog that may inherit guardian-territorial instincts (Pyr) and terrier-level tenacity (APBT). Neither breed is naturally biddable in the way a Border Collie or Labrador is.
Exercise needs: Plan for 60–90 minutes of daily activity. This includes structured walks (30–45 minutes), off-leash play in a secure area if your dog has reliable recall, and mental enrichment (puzzle feeders, scent work, flirt pole sessions). A bored Pyr-Pitbull mix will find its own entertainment — usually by digging, chewing, or barking.
Training approach: Use positive reinforcement exclusively. Both parent breeds respond poorly to harsh methods — Pyrs shut down and disengage, while Pitbulls can become defensively reactive. High-value food rewards (freeze-dried liver, chicken, cheese), clicker marking, and short sessions (5–10 minutes for puppies, 15–20 for adults) produce the best results.
Critical socialization window: Between 8 and 16 weeks, expose your puppy to a minimum of:
- 30+ different people (varying ages, sizes, ethnicities, wearing hats/glasses/uniforms)
- 10+ friendly, vaccinated adult dogs (various breeds and sizes)
- Multiple surfaces (grass, gravel, metal grates, wet pavement)
- Loud noises (thunder recordings at low volume, vacuum cleaners, doorbells)
- Handling exercises (paw touching, ear inspection, mouth opening, nail trimming practice)
Enroll in a force-free puppy socialization class by 10 weeks of age. The American Veterinary Society of Animal Behavior recommends starting socialization classes before the full vaccination series is complete, as the behavioral risk of undersocialization outweighs the disease risk in controlled environments.
Cost: Purchase Price and Ongoing Expenses
| Expense Category | Low End | Typical Range | High End |
|---|---|---|---|
| Puppy purchase (breeder) | $400 | $600–$1,200 | $1,800+ |
| Adoption (rescue/shelter) | $50 | $150–$400 | $500 |
| First-year veterinary care | $500 | $800–$1,500 | $2,500+ |
| Food (annual, large-breed formula) | $600 | $800–$1,200 | $1,800 |
| Grooming (if double-coated) | $0 (home grooming) | $400–$800 | $1,200+ |
| Training classes (first year) | $150 | $300–$600 | $1,200 (private sessions) |
| Insurance (annual premium) | $480 | $600–$900 | $1,200 |
| First-year total estimate | $2,580 | $4,150–$7,200 | $10,200+ |
Breeder vs. rescue: This specific cross is uncommon enough that you're unlikely to find a dedicated breeder with a multi-generation program. Most puppies come from small-scale breeders who cross their Pyr with a neighbor's APBT, or from accidental litters. Prices above $1,500 should come with full health testing documentation on both parents — don't pay premium prices without it.
On the rescue side, pit-type mixes are among the most common dogs in US shelters, and Great Pyrenees mixes show up regularly in rural areas and livestock regions. Check breed-specific rescues like the Great Pyrenees Club of America rescue network and pit bull rescue organizations. You'll often find adult dogs whose size, temperament, and coat type are already known — a significant advantage over guessing with a puppy.
Who Is This Mix Best Suited For?
The Great Pyrenees mixed with Pitbull is not a first-dog breed. Here's an honest assessment of who thrives with this mix and who should consider alternatives.
Ideal owner profile:
- Experienced with large, strong dogs (minimum 2+ years handling dogs over 60 lb)
- Has a securely fenced yard (minimum 6-foot fence; Pyrs are known to wander and Pitbulls can climb)
- Home often or able to arrange mid-day visits (separation anxiety risk from the APBT side)
- Committed to 6–12 months of structured training classes
- Comfortable managing a dog that may be reactive to unfamiliar dogs
- Lives in an area without breed-specific legislation targeting pit-type dogs (check your local ordinances — BSL varies by city and county)
This mix is a poor fit for:
- First-time dog owners
- Apartment living (noise complaints from Pyr barking; space needs for a 65–130 lb dog)
- Homes with cats or small pets unless the dog has been specifically socialized and tested
- Families who want an off-leash dog park dog (dog-selectiveness is a real possibility)
- Owners unwilling to invest in professional training support
Family compatibility: Both parent breeds are generally good with children in their own family when properly socialized. The Pyr is famously patient; the APBT earned the nickname "nanny dog" historically (though this term is debated among behaviorists). However, a 90-pound dog can accidentally knock over a toddler, and any dog with guardian instincts may intervene if children are wrestling or playing loudly. Always supervise interactions between dogs and children under 10.
Frequently Asked Questions
What two breeds make up the Great Pyrenees Pitbull mix?
A purebred Great Pyrenees (a giant livestock guardian from the French-Spanish Pyrenees Mountains) and an American Pit Bull Terrier (or related pit-type breed such as the American Staffordshire Terrier). The specific pit-type breed used can affect the mix's size and temperament.
How big will my Great Pyrenees Pitbull mix get?
Most adults fall between 65–95 lb (29–43 kg) and 22–26 inches at the shoulder. However, the range extends from as small as 45 lb to as large as 130 lb depending on which parent they favor and the size of the individual parent dogs.
What will the temperament be like?
Expect a loyal, protective dog that bonds deeply with family. Temperament varies widely: some are friendly and outgoing (Pitbull-leaning), others are calm and watchful (Pyr-leaning). Early socialization from 8–16 weeks is non-negotiable to prevent fear-based reactivity or territorial aggression.
Is this mix hypoallergenic or low-shedding?
No. Neither parent breed is hypoallergenic. Even if your dog inherits the Pitbull's short coat, they will shed moderately. Double-coated variants shed heavily, especially during seasonal coat blows in spring and fall.
What health issues might this mix inherit?
The most significant risks are hip dysplasia (common in both breeds), bloat/GDV (especially if Pyr-dominant and deep-chested), skin allergies (common in pit-type breeds), elbow dysplasia, and cardiac conditions. Ask breeders for OFA health clearances on both parents and consult your veterinarian about a screening schedule.
How much does a Great Pyrenees Pitbull mix cost?
From a breeder, expect to pay $600–$1,200 for a puppy, though prices can range from $400 to $1,800+. Adoption through a rescue typically costs $150–$400. First-year total expenses (food, vet care, training, supplies) typically run $4,000–$7,000.
Can this mix live with other dogs?
It depends on the individual dog and their socialization history. Both parent breeds can be dog-selective. Same-sex aggression is more common in pit-type breeds. Introduce new dogs slowly on neutral territory, and consult a certified force-free behaviorist if you see signs of reactivity (lunging, stiffening, fixating).
Do Great Pyrenees Pitbull mixes need a lot of exercise?
Yes — plan for 60–90 minutes daily, combining structured walks, play, and mental enrichment. Under-exercised dogs of this mix are prone to destructive behavior, excessive barking, and weight gain.
Beth Carrasco
All our authors care for dogs every day — read more of their work on the authors page.
