Working Dogs
Leonberger
Reviewed to our editorial standards · Updated 2026-06-12
Size
Very Large
Life Span
10 to 12 years
Weight
120 to 170 pounds
Height
25 to 31 inches tall at the shoulder
Breed Group
Working Dogs
Adaptability
Friendliness
Trainability
Energy
Health
Intelligence
Leonberger — Key Facts
About the Leonberger
The Leonberger is a very large working dog known for being deeply loving with its family and reserved with strangers. With a capable mind, better suited to homes with outdoor space, the Leonberger is best matched with experienced owners. Typically standing 25 to 31 inches tall at the shoulder and weighing 120 to 170 pounds, this breed has a life expectancy of 10 to 12 years, making it a devoted companion for the right family.
Originally classified within the Working Dogs group, the Leonberger brings a distinct combination of traits that sets it apart. The Leonberger is a high-energy breed that thrives with plenty of daily exercise and mental stimulation. Deeply affectionate, the Leonberger loves being close to its people and forms strong bonds with every member of the household.
Temperament
The Leonberger has a famously warm and sociable temperament that makes it highly attuned to its family's emotions and moods. The Leonberger is famously gentle and patient with children of all ages, making it a wonderful family dog. The Leonberger is generally sociable with other dogs, particularly when introduced properly.
Around strangers, the Leonberger is naturally reserved and can make an effective watchdog. The Leonberger barks at a moderate level — enough to alert you, not enough to disturb the neighbours. This breed has a low wanderlust potential and is unlikely to roam. A strong prey drive means the Leonberger should be kept on a lead around wildlife and small pets.
Health & Lifespan
With a life expectancy of 10 to 12 years, the Leonberger is a medium-lived breed. The Leonberger can be prone to certain hereditary conditions. Responsible breeders will health-test their dogs — always ask for documented clearances.
Common health areas to discuss with your vet include joint health (hip and elbow dysplasia), dental hygiene, eye health, and routine parasite prevention including flea, tick, and heartworm. The Leonberger can be prone to weight gain. Measure meals carefully, limit treats, and ensure adequate daily exercise to keep them at a healthy weight. Annual wellness bloodwork — including a complete blood count and biochemistry panel — is recommended from middle age onward to catch conditions like hypothyroidism, kidney disease, and diabetes early. Pet insurance is strongly recommended from puppyhood.
Is this breed right for you?
The Leonberger is best suited to experienced dog owners who can provide an active lifestyle with plenty of outdoor time. A home with outdoor space is strongly preferred.
The Leonberger handles alone time well and is less likely to develop separation anxiety. This breed prefers warmer climates and should be protected from extreme cold. Hot weather should be approached with caution — ensure shade, water, and avoid exercise in peak heat.
In summary, the Leonberger is a sociable and loving working dogs that fits well into a variety of households. Do thorough research, meet the breed in person if possible, and connect with a reputable breeder or rescue before bringing a Leonberger home.
Helpful Tools
Care Guides
Frequently Asked Questions
Is the Leonberger good with kids?
The Leonberger is known for being patient and gentle with children of all ages, making it a popular family choice.
How much exercise does a Leonberger need?
The Leonberger is a high-energy breed that needs at least 1–2 hours of vigorous exercise every day. Activities like fetch, hiking, and agility are ideal.
Does the Leonberger shed a lot?
Yes, the Leonberger is a heavy shedder. Daily brushing, regular vacuuming, and seasonal grooming appointments are part of owning this breed.
Own a Leonberger?
Track health records, set care reminders, and connect with other Leonberger owners in Hushku.