Breed information

Breed History

Early origins

The background of the Leonberger is a very clouded one.. Many things have been written, sometimes accounts contradict each other, and little proof has been given for many of the stories, but the Essig Legend below is one of the foremost of the possible early developments of the Breed we know today. The Leonberger is a German breed which explains why Germany is the only country allowed to change the FCI Breed Standard.

This account was written of Essig’s creation of the Leonberger : “Amongst his dogs there was a black and white Newfoundland female (Landseer type). He crossed her with a longhaired Barry-dog (St. Bernard) he owned also. He crossed them for 4 generations, out crossed again with a Pyrenean Wolfhound (Pyrenean Mountain Dog) crossed again with a St. Bernard”. There is, however, no proof that this is in fact what was done and that there were no other dogs involved. Essig started breeding in 1846, the date now attributed to be the birth of the Leonberger.

Today we know that there must be more dogs involved than the ones with which Essig claims he started the breed. Modern genetics tells us that is impossible to create the Leonberger from the 3 breeds as described. At the height of his career he was selling up to 300 puppies a year. Essig was helped a lot by his niece Marie, who practically did all the kennel work. Later a relative, perhaps the nephew Essig mentioned once, took over the kennel. Essig died in 1889.

Albert Kull wrote the first standard in 1895 so we can say that the breeding started in 1895. Then came the First World War. The Leonberger would have disappeared were it not for the efforts of a few lovers of the breed – the Leonberger population was decimated. A very small number of people had succeeded in keeping their dogs alive, among them Albert Kienzle. In The height of the dogs was brought down to at least 76 cm. for males and to 70 cm. for females. (It previously has been at least 80 cm for males and 70 cm. for females). In the 1960s the standard was again revised and the heights were now changed to 72 cm. minimum, and 80 cm. maximum for males and 65 cm. minimum with 75 cm. maximum for females. One reason Leos in France are so much bigger is because they did not recognise this reduction in size for many years.

Post WW2

In the UK, Leonbergers came back firstly with Dave Gower who bought one for 10 bars of soap at the end of WW2. He also brought over a 2nd one and had a litter, but the line did not continue. However today’s Leos stem from those entering the country in the 70’s & 80’s.

The first modern day Leonberger, Catja v. Tannenhain was imported in 1975 and the first litter was born in 1981 from Xilja v. Chrumelbach of Glanzberg & Chatkantarra Adkin of Rossnick. Celia Peters, Fiona Karolus and Sonja Gorbould were the three people who re-introduced the breed and who deserve the credit for perseverance and dedication which has resulted in the Breed’s strength in the UK today. It is so much easier to import new bloodlines now with the advent of PETS, and many people have now added to the genetic diversity of the Breed.


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Breed standard

A breed standard is the guideline which describes the ideal characteristics, temperament and appearance including the correct colour of a breed and ensures that the breed is fit for function. Absolute soundness is essential. Breeders and judges should at all times be careful to avoid obvious conditions or exaggerations which would be detrimental in any way to the health, welfare or soundness of this breed

for the full KC breed standard  Click below

Royal kennel club

Leonberger Breed Characteristics


Physical Traits

Leonbergers are large, muscular dogs with a dense double coat that ranges from lion-yellow to reddish-brown. Their broad heads feature a distinctive black mask, and their expressive eyes convey intelligence and gentleness.

Large fluffy black-and-tan dog lying on grass with tongue out, wearing a blue harness
Large tan and black dog standing in profile on grass in a fenced yard, mouth open.

Temperament and Behavior

Known for their calm and friendly nature, Leonbergers are loyal family companions. They are patient with children, social with other pets, and exhibit a balanced mix of playfulness and protectiveness.

Large fluffy tan-and-black dog facing forward in a grassy enclosure with a wire fence behind it

Care and Maintenance

Regular grooming is essential to maintain their thick coat and prevent matting. Leonbergers require daily exercise to support their active lifestyle and benefit from consistent training to nurture their intelligent and obedient character.

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Leonberger Breed FAQs

Answers to common questions about Leonbergers help potential owners understand their needs and traits before bringing one home.

  • How do Leonbergers behave around other pets?

    With early socialization, they usually coexist peacefully with other dogs and pets, showing calm and tolerant behavior.
  • What is the typical lifespan of a Leonberger?

    Their average lifespan ranges from 8 to 10 years, which is common for large breeds.
  • Are Leonbergers easy to train?

    They are intelligent and eager to please but require consistent, positive reinforcement training and early socialization.
  • What kind of diet suits a Leonberger?

    A balanced diet formulated for large breeds with controlled portions supports their growth and maintains healthy weight.
  • Can Leonbergers adapt to apartment living?

    Due to their size and energy, they thrive best in homes with ample space and access to outdoor areas, though calm individuals may adapt to apartments with sufficient exercise.
  • What size do Leonbergers typically reach?

    Adult males usually weigh between 110-170 pounds and stand 28-31 inches tall, while females are slightly smaller, weighing 90-140 pounds and standing 25-29 inches tall.
  • How much exercise does a Leonberger need?

    They require daily moderate exercise such as long walks or playtime to maintain health and prevent boredom, but avoid overly strenuous activity due to their size.
  • Are Leonbergers good with children?

    Known for their gentle and patient nature, Leonbergers generally interact well with children and make reliable family companions when properly socialized.
  • What grooming is needed for a Leonberger?

    Their thick double coat requires regular brushing several times a week to prevent mats and reduce shedding, especially during seasonal coat changes.
  • Do Leonbergers have any common health issues?

    They can be prone to hip dysplasia, heart conditions, and certain cancers; regular veterinary check-ups and responsible breeding reduce risks.

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