A lion-like giant of gentleness and grace.
Origin
Germany
Height
25.5–31.5 in (65–80 cm)
Weight
90–170 lb (41–77 kg)
Lifespan
8–9 years
Coat
Long, water-resistant double coat with mane
Energy
Moderate
Overview
The Leonberger is a majestic giant breed with a lion-like mane, bred to resemble the lion on the crest of Leonberg, Germany. Powerful yet graceful, it combines an imposing presence with a famously gentle, patient temperament.
Calm, affectionate, and devoted, the Leonberger is a serene family companion that is especially good with children and other animals. It is a strong swimmer and capable working dog, thriving on companionship and moderate activity.
History
Created in the mid-19th century in Leonberg, Germany, likely from Newfoundland, Saint Bernard, and Pyrenean stock, the Leonberger was bred as a stately working and companion dog. It later proved its worth in water rescue and farm work.
Where it comes from
Germany
Highlighted in the Leonberger's lineage color on the map.
Temperament
The Leonberger is steady, loving, and good-natured, generally excellent with children and other pets. It is sensitive and eager to be near its family, needing early training given its size and disliking being left alone.
Health to watch
Joint malformation is common in giant breeds; screening and lean weight help protect the joints.
The deep chest raises the risk of gastric torsion; smaller meals and rest around eating are wise.
The breed has elevated rates of certain cancers and inherited neuropathies; screening and vigilance help.
General breed tendencies, not a diagnosis. Every dog is an individual — pair this with regular veterinary care.
Care essentials
The long double coat needs regular brushing and sheds heavily during seasonal changes.
Controlled growth in puppyhood and lean weight protect the joints of this giant breed.
Leonbergers are family-focused and dislike isolation, thriving as involved household members.
XPET builds each pet a digital twin — modeling their real biology instead of breed averages, so care stays personal.