Great Pyrenees Collie Mix: Complete Breed Profile & Care Guide
Everything about the Great Pyrenees Collie mix: size, temperament, coat types, health risks, grooming needs, cost.
If you've spent time around livestock guardian dogs or herding breeds, you already know both the Great Pyrenees and the Border Collie are extraordinarily capable working dogs. The Great Pyrenees Collie mix — sometimes called a Pyrenees Shepherd or Pyr Collie — combines the calm, watchful nature of a mountain guardian with the high-drive intelligence of a herding dog. The result can be a stunning, deeply loyal companion, but this cross also produces one of the more variable temperaments in the designer-dog world. Before you commit, here's what you actually need to know.
Parent Breed Breakdown: Great Pyrenees Meets Border Collie
Understanding any mixed breed starts with understanding its parents. These two breeds come from fundamentally different working traditions, and that tension shapes everything about the mix.
| Trait | Great Pyrenees | Border Collie |
|---|---|---|
| Original Purpose | Livestock guardian (protecting flocks from predators) | Herding dog (moving and controlling sheep) |
| AKC Group | Working Group | Herding Group |
| Weight Range | 85–100+ lb / 39–45+ kg (males); 75–90 lb / 34–41 kg (females) | 30–55 lb / 14–25 kg |
| Height | 25–32 in / 64–81 cm | 18–22 in / 46–56 cm |
| Energy Level | Low to moderate; bursts of activity when guarding | Very high; requires sustained daily exercise |
| Temperament | Calm, independent, protective, nocturnal tendency | |
| Coat | Thick double coat, weather-resistant, heavy shedding | Medium-length double coat, moderate to heavy shedding |
| Trainability | Independent thinker; responds to positive methods but not obedience-driven | Highly trainable; excels in obedience, agility, and advanced tasks |
| Barking | Frequent — bred to bark as a deterrent | Moderate — may bark during herding or when under-stimulated |
| Lifespan | 10–12 years | 12–15 years |
The Great Pyrenees is an ancient breed, with roots tracing back over 5,000 years to mountain dogs of Central Asia. Recognized by the AKC since 1933, the Pyr is known for its gentle demeanor with family and fierce protectiveness of its territory. The Border Collie, originating in the Anglo-Scottish border region, is widely considered the most intelligent dog breed, capable of learning hundreds of verbal commands and hand signals.
When you cross these two, you're blending a dog bred to stay put and watch with a dog bred to move and act. That's the core dynamic every potential owner should understand.
How Big Will a Great Pyrenees Collie Mix Get?
Size is one of the most variable traits in this cross because the parent breeds differ dramatically in weight — sometimes by 60 pounds or more. Most Great Pyrenees Collie mixes fall somewhere in the middle, but individual puppies in the same litter can vary significantly.
| Category | Weight | Height at Shoulder |
|---|---|---|
| Small end (more Collie influence) | 40–55 lb / 18–25 kg | 19–22 in / 48–56 cm |
| Average / Mid-range | 55–75 lb / 25–34 kg | 22–26 in / 56–66 cm |
| Large end (more Pyr influence) | 75–95 lb / 34–43 kg | 26–30 in / 66–76 cm |
First-generation (F1) puppies tend to average around 55–75 lb at maturity, but I've seen individuals from the same litter where one sibling topped out at 50 lb and another pushed past 85 lb. Males generally run 10–15 lb heavier than females. If size matters to you — for apartment living, car transport, or household safety with small children — ask the breeder for the exact weights of both parents. A 90-lb Pyr mother and a 35-lb Collie father will produce a wider spread than two mid-sized parents.
Generations Explained: F1, F1B, F2, and Multigen
Generation Guide for Designer Crosses
- F1 (First Generation): One purebred Great Pyrenees × one purebred Border Collie. Maximum genetic diversity but highest trait variability. Puppies may look and behave very differently from one another.
- F1B (First-Generation Backcross): An F1 Pyrenees Collie mix bred back to one of the parent breeds (usually the Border Collie for a more manageable size, or the Pyr for more guardian traits). Slightly more predictable.
- F2 (Second Generation): Two F1 Pyrenees Collie mixes bred together. Trait predictability does not improve significantly — genetics can produce puppies that "throw back" to either grandparent breed.
- F3 / Multigen: Multiple generations of Pyrenees Collie × Pyrenees Collie breeding. Still not a recognized breed; traits stabilize somewhat over 4+ generations but remain variable compared to purebreds.
Most Great Pyrenees Collie mixes available are F1 crosses, simply because this isn't a high-volume designer pairing like the Labradoodle or Goldendoodle. Dedicated multigen breeding programs for this cross are rare. If a breeder advertises F2 or multigen puppies, ask for documentation of parentage across generations — reputable breeders will provide pedigree records for every dog in the lineage.
Temperament: What to Expect (and What Might Surprise You)
This is where the Great Pyrenees Collie mix gets genuinely interesting — and genuinely challenging. The two parent breeds have nearly opposite working styles, and puppies can inherit any combination of those instincts.
Best-Case Scenario
You get a dog with the Border Collie's trainability and eagerness to work alongside you, tempered by the Pyr's calm, steady presence at home. This dog is alert without being hyperactive, protective without being aggressive, and intelligent enough to excel in advanced obedience, rally, or nose work. They bond deeply with their family, are gentle with children they're raised alongside, and can relax on the couch in the evening after a good hike.
Challenging Scenario
You get a dog that inherits the Border Collie's intense herding drive combined with the Pyr's nocturnal barking tendencies and independent streak. This dog tries to herd your children, your cats, and your car — nipping at heels, circling, and refusing to settle. At night, every sound triggers deep, booming guardian barks. Training sessions are frustrating because the dog is smart enough to understand commands but too independent to care about complying. This combination is not uncommon, and it's the primary reason some of these dogs end up in rescue.
Trait Variability Breakdown
| Trait | More Pyr-Like | More Collie-Like | Mixed/Unpredictable |
|---|---|---|---|
| Energy Level | Low-moderate; content with 30–45 min exercise | High; needs 60–90+ min vigorous activity | Moderate-high with zoomie bursts |
| Trainability | Independent; learns but doesn't always comply | Eager; thrives on structured training sessions | Smart but selectively obedient |
| Protective Instinct | Strong; patrols territory, barks at strangers | Mild; may alert-bark but warms up quickly | Alert but inconsistent reactions |
| Herding Instinct | Absent or very mild | Strong; stalks, circles, nips at moving targets | Variable; may emerge in puppyhood |
| Barking | Frequent, deep, loud — especially at night | Moderate; barks during play or work | Can be vocal in both contexts |
| Stranger Reaction | Reserved, watchful, slow to warm up | Friendly or indifferent after initial alert | Varies by socialization history |
Early socialization is non-negotiable. The AVMA recommends structured socialization beginning as early as 7–8 weeks, once the puppy has started its vaccination series. For a mix with guardian genetics, aim for 100+ positive exposures to novel people, surfaces, sounds, and environments before 16 weeks of age.
Coat Types, Shedding, and Grooming Realities
Is This Mix Hypoallergenic or Low-Shedding?
No. Neither parent breed is hypoallergenic or low-shedding. Both the Great Pyrenees and the Border Collie have double coats that shed year-round and blow their undercoat seasonally (typically spring and fall). Every Great Pyrenees Collie mix will shed — the only question is how much.
Coat inheritance in this cross typically falls into one of three patterns:
- Pyr-dominant coat: Long, thick, predominantly white or white with badger/gray markings. Dense undercoat. Heaviest shedding. Requires brushing 3–4 times per week minimum.
- Collie-dominant coat: Medium-length, may be black-and-white, tri-color, sable, or merle. Moderate undercoat. Sheds steadily but is slightly more manageable. Requires brushing 2–3 times per week.
- Blended coat: Medium-to-long with moderate density. Often white with colored patches. The most common outcome in F1 crosses. Requires brushing 3 times per week.
Grooming Routine
Regardless of coat type, plan on this maintenance schedule:
- Brushing: Use an undercoat rake (such as the Furminator deShedding Tool for large breeds, ~$35–$45) combined with a slicker brush for the topcoat. During blowout seasons (spring and fall), daily brushing for 15–20 minutes prevents matting and reduces household fur tumbleweeds.
- Bathing: Every 8–12 weeks unless the dog gets into something messy. Use a deshedding shampoo formulated for double-coated breeds. A high-velocity dryer ($80–$150 for models like the B-Air or Flying Pig) dramatically speeds up drying and blows out loose undercoat.
- Nail trimming: Every 3–4 weeks. Large, active dogs may wear nails down naturally on pavement, but dewclaws (common in Great Pyrenees — some have double dewclaws) always need manual trimming.
- Ear cleaning: Weekly checks; clean with a veterinarian-recommended ear cleanser if you see wax buildup. Floppy-eared individuals (inheriting Pyr ear set) are more prone to ear infections.
Never shave a double-coated dog. Shaving disrupts the coat's natural temperature regulation and can cause post-clipping alopecia, where the coat grows back patchy or not at all. The undercoat insulates against both cold and heat.
Health Considerations: Hybrid Vigor vs. Reality
Let's address a common myth directly: hybrid vigor does not eliminate health problems in mixed breeds. While crossbreeding can reduce the risk of recessive genetic disorders that are concentrated within a single breed's gene pool, mixed-breed dogs can still inherit any condition that affects either parent breed. A 2023 study published in the Journal of the American Veterinary Medical Association found that mixed-breed dogs had a slightly lower overall incidence of inherited disorders compared to purebreds, but the difference was modest — and mixed breeds were not immune to conditions like hip dysplasia, eye disease, or cardiac issues.
Conditions to Screen For
| Condition | Inherited From | Prevalence | Screening Test |
|---|---|---|---|
| Hip Dysplasia | Both breeds | Great Pyrenees: ~12% affected (OFA data); Border Collie: ~11% | OFA or PennHIP radiographs |
| Elbow Dysplasia | Both breeds (more common in Pyr) | Great Pyrenees: ~7% | OFA elbow radiographs |
| Collie Eye Anomaly (CEA) | Border Collie | Estimated 2–5% of Border Collies carry the mutation | DNA test (Optigen) or CERF exam |
| Osteosarcoma (Bone Cancer) | Great Pyrenees (large-breed predisposition) | Large/giant breeds have 27× higher risk than small breeds | No screening test; monitor for lameness |
| Bloat / Gastric Dilatation-Volvulus (GDV) | Great Pyrenees (deep-chested breed risk) | Great Danes, Pyrs, and similar deep-chested breeds at elevated risk | No screening; consider prophylactic gastropexy at spay/neuter |
| Multidrug Sensitivity (MDR1) | Border Collie (herding breed gene) | ~4% of Border Collies carry the MDR1 mutation | DNA test (Washington State University) |
| Epilepsy / Idiopathic Seizures | Border Collie (higher-than-average prevalence) | Border Collies are among breeds with elevated idiopathic epilepsy rates | No screening; diagnosis by exclusion |
If you're purchasing from a breeder, request proof of health testing on both parents: OFA hip and elbow scores, CERF or Optigen eye clearances, and MDR1 DNA results. A responsible breeder will share these willingly. For rescue dogs, ask if any testing has been done and budget for a baseline veterinary workup.
MDR1 Warning: If your Pyrenees Collie mix carries the MDR1 gene mutation, common medications including ivermectin (found in some heartworm preventives), loperamide (Imodium), and certain sedatives can cause severe neurological reactions. Always consult your veterinarian before starting any new medication, and consider MDR1 testing through the Washington State University Veterinary Clinical Pharmacology Lab.
Exercise, Training, and Mental Stimulation Needs
Exercise requirements for this mix depend heavily on which parent's drive dominates, but you should plan for the higher end:
- Minimum daily exercise: 60 minutes of structured activity (leash walks, hiking, fetch, swimming)
- Ideal daily exercise: 90–120 minutes, split into two sessions
- Mental stimulation: 20–30 minutes of training, puzzle toys, or scent work daily
Border Collie genetics mean this mix often excels at dog sports: agility, rally obedience, disc dog, herding trials (if herding instinct is present), and nose work. These aren't luxuries — they're outlets for a brain that was designed to solve problems all day.
Training Approach
Use positive reinforcement exclusively — high-value treats (freeze-dried liver, chicken), toy rewards, and praise. The Pyr side can be stubborn, and aversive methods (shock collars, prong collars, alpha rolls) will damage your dog's trust and can trigger fear-based reactivity, especially in a dog with guardian-dog wariness of strangers. Force-free, LIMA (Least Intrusive, Minimally Aversive) training methods produce the best long-term results with this cross.
Key training priorities for this mix:
- Recall (come when called): Both parent breeds can be prone to wandering (Pyr) or chasing (Collie). Build a rock-solid recall with high-value rewards in a fenced area before attempting off-leash work.
- Settle/mat training: Teach a "go to your place and relax" behavior early. This gives a high-drive dog an off-switch and is critical if the Pyr barking tendency emerges.
- Leash manners: A 70-lb dog that pulls is a shoulder injury waiting to happen. Start loose-leash training at 8 weeks with a front-clip harness (Ruffwear Front Range, ~$40).
- Impulse control: "Leave it," "wait," and "drop it" are essential for a dog that may try to herd moving objects including children and cars.
Cost: Purchase Price and Ongoing Expenses
How Much Does a Great Pyrenees Collie Mix Cost?
| Category | Cost Range |
|---|---|
| Puppy from a breeder (F1) | $500–$1,500 |
| Puppy from a specialized multigen breeder | $1,200–$2,500 |
| Adoption from rescue/shelter | $50–$400 |
| First-year veterinary care (vaccines, spay/neuter, baseline tests) | $600–$1,200 |
| Annual veterinary care (checkups, preventives, dental) | $500–$900/year |
| Food (large-breed formula, 30-lb bag) | $45–$85 per bag (lasts ~4–6 weeks) |
| Grooming supplies and professional grooming (if needed) | $200–$500/year |
| Training classes (group obedience, 6–8 week course) | $150–$300 per course |
| Pet insurance (accident + illness) | $40–$80/month |
This mix is generally more affordable than high-demand designer breeds like Bernedoodles or Goldendoodles, largely because it's less widely bred. However, the lower purchase price doesn't mean lower lifetime costs — a 70-lb dog eats significantly more than a 20-lb dog, and large-breed veterinary care (medications dosed by weight, surgical costs, orthopedic issues) runs higher.
Breeder vs. Rescue
Because this is an uncommon cross, dedicated breeders are sparse. You're more likely to find puppies through breeders who specialize in livestock guardian crosses or working-dog mixes. Always verify that the breeder health-tests both parents, raises puppies in a home environment (not a barn or kennel), and offers a take-back clause in their contract.
Rescue is a strong option for this mix. Great Pyrenees rescues (such as Great Pyrenees Rescue of Southern California or National Great Pyrenees Rescue) and Border Collie rescues (like Come By And Wait Rescue) occasionally have mixed-breed dogs. Adult dogs from rescue let you see the mature temperament, size, and coat — eliminating much of the puppy-stage guesswork.
Who This Mix Suits Best
The Great Pyrenees Collie mix is not a beginner dog. Here's an honest assessment of who thrives with this cross:
Ideal Owner Profile
- Experience level: Intermediate to experienced dog owner. You've trained at least one dog before and understand canine body language.
- Living situation: House with a securely fenced yard (minimum 5-foot fence; some individuals will test a 4-foot fence). Rural or suburban settings are ideal. This is not a good apartment dog.
- Activity level: Active household that hikes, runs, or spends significant time outdoors daily.
- Family composition: Families with older children (8+) tend to do better. The herding instinct can cause nipping at running toddlers, and the Pyr's large size can accidentally knock over small children.
- Schedule: Someone home during the day, or arrangements for midday exercise. This mix does not do well left alone for 10+ hours — boredom triggers destructive behavior and excessive barking.
- Noise tolerance: You and your neighbors can handle barking. If you live in close-quarters housing with noise restrictions, this is probably not the right dog.
Who Should Consider a Different Breed
- First-time dog owners who haven't worked with a professional trainer before
- Families wanting a predictable, easy-going temperament (consider a Golden Retriever or Labrador instead)
- People living in apartments or condos with shared walls
- Owners who want a low-shedding or hypoallergenic dog
- Households with very young children or small pets (cats, rabbits) unless the dog is raised alongside them from puppyhood and carefully supervised
Frequently Asked Questions
What two breeds make up the Great Pyrenees Collie mix?
The Great Pyrenees Collie mix is a cross between a Great Pyrenees (a large livestock guardian breed from the Pyrenees Mountains between France and Spain) and a Border Collie (a medium-sized herding breed from the Anglo-Scottish border region). Some breeders may use other Collie types (such as the Rough Collie or Australian Shepherd), so always confirm the specific parentage.
How big will a Great Pyrenees Collie mix get?
Most adults range from 40 to 95 lb (18–43 kg) and stand 19 to 30 inches (48–76 cm) at the shoulder. The average falls around 55–75 lb (25–34 kg), but individual variation is significant. Parent size is the best predictor — always ask the breeder for exact parent weights.
What will the temperament be like?
Temperament is the most unpredictable aspect of this cross. You may get a calm, protective guardian with moderate energy, or a high-drive herding dog that needs constant mental and physical stimulation. Most individuals fall somewhere in between — alert, intelligent, loyal, and moderately active. Early socialization and consistent positive-reinforcement training are essential regardless of which traits emerge.
Is the Great Pyrenees Collie mix hypoallergenic or low-shedding?
No. Both parent breeds have double coats that shed heavily, especially during seasonal coat blows in spring and fall. All Great Pyrenees Collie mixes will shed, and none are suitable for people with dog allergies. Regular brushing (3–4 times per week) and a high-quality vacuum are non-negotiable.
What health issues might this mix inherit?
Key conditions to watch for include hip dysplasia, elbow dysplasia, Collie Eye Anomaly (CEA), bloat (GDV), osteosarcoma, MDR1 drug sensitivity, and idiopathic epilepsy. Health screening of both parents through OFA radiographs, CERF eye exams, and MDR1 DNA testing significantly reduces — but does not eliminate — risk. Always consult your veterinarian about a screening schedule appropriate for your individual dog.
How much does a Great Pyrenees Collie mix cost?
Puppies from breeders typically cost $500–$1,500, though specialized multigen programs may charge up to $2,500. Rescue adoption fees range from $50–$400. Budget an additional $600–$1,200 for first-year veterinary care and $500–$900 annually thereafter. Pet insurance ($40–$80/month) is strongly recommended given the orthopedic and cancer risks associated with large breeds.
Can this mix live with cats or other small animals?
It depends on the individual dog. A Pyr-dominant dog raised with cats often does well — livestock guardians are typically gentle with animals they consider part of their "flock." A Collie-dominant dog may try to herd cats, which can escalate to chasing and nipping. Introduce any new pets carefully, supervise all interactions initially, and provide the cat with elevated escape routes.
Are Great Pyrenees Collie mixes good guard dogs?
They are excellent watchdogs — they will alert you to anything unusual with enthusiastic barking. However, they are not typically aggressive guard dogs. The Pyr side tends to be watchful and reserved with strangers rather than confrontational, and the Collie side is generally friendly once introduced. If you need a personal protection dog, this is not the right cross.
Jonas Cole
All our authors care for dogs every day — read more of their work on the authors page.



