Great Dane Mix With Saint Bernard

If you've been researching giant-breed dogs and stumbled across the Great Dane mix with Saint Bernard, you're looking at one of the largest designer crosses available. Sometimes called a Saint Dane, this mix combines two of the tallest, heaviest breeds recognized by the American Kennel Club. The result is a dog that can stand over 30 inches at the shoulder and weigh well over 150 pounds — a companion that demands serious space, budget, and commitment.

Before you fall for those puppy photos, let's break down exactly what you're signing up for. Designer mixes are inherently variable, and with two giant parent breeds, the range of outcomes is wider than most people expect. This guide covers parent breed traits, size projections, health realities, grooming demands, and honest cost estimates so you can decide whether this mix is right for your household.

Parent Breed Breakdown: Great Dane Meets Saint Bernard

Understanding any mixed breed starts with its foundation. Both the Great Dane and the Saint Bernard are AKC-recognized working breeds, but they were developed for very different purposes and carry distinct physical and behavioral profiles.

Trait	Great Dane	Saint Bernard
AKC Group	Working	Working
Weight Range	110–175 lb (50–79 kg)	120–180 lb (54–82 kg)
Height Range	28–32 in (71–81 cm)	26–30 in (66–76 cm)
Coat Type	Short, smooth, single coat	Short smooth or long rough; double coat
Shedding Level	Moderate, seasonal	Moderate to heavy, seasonal blowout
Energy Level	Moderate; needs 45–60 min/day	Low to moderate; needs 30–45 min/day
Temperament	Friendly, dependable, sometimes aloof with strangers	Gentle, outgoing, eager to please
Trainability	Moderate; can be stubborn	High; responds well to positive reinforcement
Lifespan	7–10 years	8–10 years
Original Purpose	Boar hunting, estate guarding	Alpine rescue, draft work
Drooling	Low to moderate	Heavy — among the highest of any breed

The Great Dane brings athletic build, longer legs, and a sleeker frame. The Saint Bernard contributes stockier bone structure, heavier muscling, and a denser coat (if the rough-coated variety). When these breeds are crossed, the offspring can lean heavily toward either parent — or land somewhere in between. There is no breed standard for this mix, which means variation is the rule, not the exception.

How Big Will a Great Dane Mix With Saint Bernard Get?

This is the question every prospective owner asks first, and the honest answer is: very big, with a wide range. Because both parent breeds are giants, you can expect a large dog regardless — but the exact size depends on which parent the puppy favors, the generation of the cross, and individual genetics.

Measurement	Low End	High End	Notes
Adult Weight	110 lb (50 kg)	190+ lb (86+ kg)	Males typically heavier; females may be 15–20% lighter
Adult Height (at shoulder)	26 in (66 cm)	33 in (84 cm)	Great Dane genetics push height; Saint Bernard adds bulk
Body Length (nose to tail base)	38 in (97 cm)	48 in (122 cm)	Affects crate sizing and vehicle transport
Full-Grown Age	18 months	24–30 months	Giant breeds mature slowly; growth plates close late

For context, a male puppy that inherits the Great Dane's height and the Saint Bernard's stockiness could reach 170–190 lb. A female that leans toward the Saint Bernard's shorter frame with the Dane's leaner build might settle around 110–130 lb. That's a 60–80 lb swing between individuals from the same litter.

Practical implications: You'll need an XXL crate (48–54 inches), a vehicle with enough cargo space for a dog this size, doorways wide enough for comfortable passage, and furniture rated to hold 200+ lb if your dog will be allowed on couches or beds. Budget for giant-breed food portions — expect to feed 6–10 cups of high-quality kibble daily for an adult, which translates to roughly $120–$200 per month on food alone.

Generations Explained: F1, F2, and Backcross Variations

Most Saint Danes you'll encounter are F1 crosses — a deliberate pairing of two purebred parents. F1B crosses are less common but may be produced by breeders trying to emphasize one parent's traits (for example, backcrossing to a Saint Bernard to increase coat density or stockiness). Multigen lines are extremely rare because the market for this specific cross is small compared to doodle-type designer breeds.

When evaluating a breeder, ask explicitly which generation they're producing. An F1 puppy from health-tested purebred parents generally offers the broadest genetic diversity. An F2 litter may produce more surprises — including puppies that are significantly larger or smaller than expected.

Temperament: What to Expect (and What Might Surprise You)

Both parent breeds are known for gentle, people-oriented temperaments, which is encouraging. But temperament in mixed breeds isn't a simple average of two parents — it's a spectrum, and individual puppies within a litter can differ substantially.

Best-Case Temperament Scenario

A well-socialized Saint Dane inherits the Saint Bernard's easygoing friendliness and the Great Dane's quiet confidence. This dog is calm indoors, patient with children, welcoming to visitors, and responsive to training. Energy is moderate — a 45-minute walk plus some yard time satisfies them. They're watchful without being reactive, and their sheer size provides natural deterrence without any protection training needed.

Challenging Temperament Scenarios

Some individuals inherit the Great Dane's sensitivity combined with the Saint Bernard's stubborn streak. This can produce a dog that is slow to warm up to strangers, easily stressed by environmental changes, or resistant to commands when unmotivated. Adolescent giant breeds (8–18 months) can be particularly clumsy and mouthy, and a 120-pound teenager with poor impulse control is a management challenge.

Less commonly, a Saint Dane may inherit higher prey drive from the Great Dane side (originally bred to chase boar) or territorial tendencies from either parent. Early socialization — ideally beginning before 12 weeks of age — is critical for shaping a stable adult temperament.

Coat Types, Shedding, and Grooming Realities

The coat your Saint Dane inherits depends entirely on which parent's genes dominate — and this is one of the most variable traits in this cross.

Coat Trait	Great Dane Inheritance	Saint Bernard Inheritance	Blended Outcome
Length	Very short (½ inch)	Medium-long (2–4 inches, rough variety)	Short to medium (1–2 inches)
Undercoat	None (single coat)	Dense undercoat (double coat)	Light to moderate undercoat
Shedding	Moderate year-round	Heavy seasonal blowout	Moderate to heavy
Texture	Smooth, sleek	Slightly wavy, coarser	Variable — can be soft or wiry
Color Patterns	Fawn, brindle, harlequin, mantle, black, blue	Red/white, mahogany brindle/white	Any combination of parent colors; white markings common

Is the Great Dane mix with Saint Bernard hypoallergenic? No. Neither parent breed is low-shedding or hypoallergenic. If your Saint Dane inherits the Saint Bernard's double coat, expect significant shedding with two heavy blowout periods per year (typically spring and fall). Even a short-coated individual leaning toward the Great Dane side will shed moderately year-round. This is not a suitable mix for allergy-sensitive households.

Grooming Schedule

• Brushing: Short-coated individuals need brushing 2–3 times per week with a rubber curry brush or bristle brush. Double-coated dogs need daily brushing during shedding season and 3–4 times weekly otherwise, using an undercoat rake and slicker brush.
• Bathing: Every 6–8 weeks, or as needed. Use a large tub or outdoor wash station — these dogs don't fit in standard home bathtubs. Expect to use 2–4 oz of dog shampoo per bath.
• Nail trimming: Every 3–4 weeks. Giant-breed nails grow thick and can split if overgrown. A heavy-duty guillotine or scissor-style clipper (such as the Millers Forge Large Dog Nail Clipper) or a rotary grinder works best.
• Ear cleaning: Weekly check and clean with a veterinarian-recommended ear solution, especially if the dog inherits the Saint Bernard's floppier ears.
• Drool management: If the Saint Bernard's loose jowls are inherited, keep drool rags accessible. Some owners use a snood or drool bib during meals.

Health Considerations: Hybrid Vigor Myths and Real Risks

One of the most persistent myths about designer dogs is that crossing two breeds automatically produces a healthier dog through "hybrid vigor." The reality is more nuanced. While outcrossing can reduce the risk of recessive genetic disorders that are concentrated within a single breed's gene pool, it does not eliminate health risks — especially when both parent breeds share the same predispositions.

Unfortunately, Great Danes and Saint Bernards share several serious health vulnerabilities:

Health Condition	Great Dane Risk	Saint Bernard Risk	Saint Dane Risk
Gastric Dilatation-Volvulus (GDV / Bloat)	Very high — among the highest of any breed	High	High to very high
Hip Dysplasia	Moderate (~12% prevalence per OFA data)	High (~47% prevalence per OFA data)	Moderate to high
Elbow Dysplasia	Low to moderate	Moderate (~13% prevalence)	Moderate
Dilated Cardiomyopathy (DCM)	High — breed predisposition well-documented	Moderate	Moderate to high
Osteosarcoma (Bone Cancer)	High — Great Danes are among the most affected breeds	Moderate	Moderate to high
Wobbler Syndrome (Cervical Spondylomyelopathy)	Moderate — especially in rapidly growing giants	Low to moderate	Moderate
Entropion/Ectropion (Eyelid Disorders)	Low	Moderate to high	Moderate

Bloat Prevention Is Non-Negotiable

Gastric dilatation-volvulus (GDV) is a life-threatening emergency where the stomach fills with gas and twists on itself. Both Great Danes and Saint Bernards are deep-chested breeds at elevated risk. For a Saint Dane, bloat prevention should be part of daily management:

• Feed 2–3 smaller meals per day rather than one large meal
• Use a slow-feeder bowl to prevent rapid eating
• Avoid vigorous exercise for 60 minutes before and after meals
• Discuss prophylactic gastropexy (surgical tacking of the stomach) with your veterinarian, especially if the dog is spayed/neutered — this procedure can be done at the same time
• Know the emergency signs: unproductive retching, distended abdomen, restlessness, excessive drooling — go to an emergency vet immediately

Recommended Health Screenings

Reputable breeders should provide health clearances for both parent dogs. Ask for documentation of:

• OFA or PennHIP hip evaluation (both parents)
• OFA elbow evaluation (both parents)
• OFA cardiac evaluation (echocardiogram, both parents)
• OFA thyroid evaluation (both parents)
• Eye examination by a veterinary ophthalmologist (CERF/OFA)

For your Saint Dane puppy, plan a veterinary wellness visit within the first week home. Discuss a giant-breed-specific growth plan — overfeeding and rapid growth in giant puppies increases the risk of developmental orthopedic diseases. Your veterinarian will guide calorie targets and recommend a large-breed puppy formula with controlled calcium and phosphorus ratios (aim for calcium at 1.0–1.5% on a dry matter basis, per Merck Veterinary Manual guidelines).

Cost Breakdown: Purchase Price and Lifetime Expenses

Owning a giant-breed designer dog is a significant financial commitment. Here's a realistic breakdown based on 2025–2026 pricing data from breeders, rescues, and veterinary cost surveys:

Puppy Purchase Price

Source	Price Range	What's Typically Included
Reputable breeder (health-tested parents, F1)	$1,500–$3,500	First vaccinations, deworming, microchip, health guarantee, spay/neuter contract
Backyard/casual breeder	$800–$1,500	Often minimal health testing, no guarantee — higher risk
Breed-specific rescue or shelter	$200–$600	Spay/neuter, vaccinations, microchip, behavioral assessment

A note on rescues: Giant-breed rescues like Great Dane Rescue or Saint Bernard rescue networks occasionally take in mixed-breed dogs that match this profile. Adoption is a legitimate and often rewarding path. Check Petfinder and local giant-breed rescue organizations — these dogs sometimes end up surrendered simply because owners underestimated their size.

First-Year Estimated Costs

Expense Category	Estimated Cost
Food (giant-breed puppy formula, 12 months)	$1,200–$1,800
Veterinary care (wellness visits, vaccines, spay/neuter)	$800–$1,500
Supplies (XXL crate, heavy-duty leash/harness, beds, bowls)	$500–$900
Training (puppy classes, private sessions for giant breed management)	$400–$800
Pet insurance (giant breed, accident + illness)	$900–$1,500/year
Grooming supplies or professional grooming	$150–$400
Total first year (excluding puppy purchase)	$3,950–$6,900

Annual costs after the first year typically run $3,000–$5,500 for food, routine veterinary care, insurance, and supplies. Emergency veterinary care for giant breeds is expensive — a GDV surgery alone can cost $3,000–$7,000, and treatment for osteosarcoma can exceed $10,000. Pet insurance or a dedicated emergency fund is strongly recommended.

Who Is This Mix Best Suited For?

The Great Dane mix with Saint Bernard is not a beginner's dog — not because the temperament is difficult, but because the logistics of living with a 130–190 lb animal require planning and experience. Here's an honest assessment of fit:

Ideal Owner Profile

• Experience level: Prior experience with large or giant breeds. You understand leash manners training, resource management, and the physical demands of handling a powerful dog.
• Living space: A home with wide hallways, minimal stairs (giant breeds are prone to joint issues, and carrying a 160 lb injured dog down stairs is not feasible), and a securely fenced yard. Apartments can work if the dog gets adequate outdoor exercise, but elevator access and ground-floor units are strongly preferred.
• Family composition: Families with older children (8+) are a better fit than those with toddlers — a 140 lb dog can accidentally knock over a small child. The dog's temperament is typically gentle, but physics is physics.
• Budget: Comfortable spending $4,000–$7,000 annually on a single dog. This includes premium food, insurance, and routine care.
• Lifestyle: Moderately active. This mix needs 45–60 minutes of daily exercise (walks, gentle play) but is not a running partner. Avoid high-impact activities like agility or long-distance running, especially before growth plates close at 18–24 months.
• Time commitment: Home often or able to arrange midday check-ins. Giant breeds are prone to separation anxiety and should not be left alone for 8+ hours regularly.

This Mix Is Probably Not Right If...

• You live in a small apartment with multiple flights of stairs and no elevator
• This would be your first dog
• You have very young children and no experience managing large dogs around them
• Your annual pet budget is under $3,000
• You want a low-shedding or hypoallergenic dog
• You travel frequently and cannot arrange giant-breed-compatible pet sitting or boarding

Frequently Asked Questions

This article is for informational purposes only and does not replace professional veterinary advice. Always consult your veterinarian for health decisions specific to your dog. For breed-specific health data, refer to the AKC and the Merck Veterinary Manual.