The Irish Wolfhound: Ireland’s Legendary Tallest Dog Breed

Dogs span a remarkable range of sizes, but a handful of breeds stand out for their exceptional height. These gentle giants have served humans for centuries as companions, protectors, and work partners, and their stature is a testament to selective breeding tailored to specific roles and environments.

Understanding the tallest dog breeds—and the history behind them—offers insight into how human needs have shaped canine anatomy and temperament. From guarding livestock to rescuing lost hikers, these breeds exemplify the diversity and adaptability of man's best friend.

1. Irish Wolfhound (35 inches)

Regarded as the tallest dog breed, the Irish Wolfhound reaches 32–35 inches (81–89 cm) at the shoulder. Bred in Ireland to hunt wolves, this lean, powerful dog is renowned for its calm, gentle demeanor despite its imposing size.

2. Great Dane (32 inches)

Often called the “Apollo of dogs,” the Great Dane combines strength and elegance, with males standing 30–32 inches (76–81 cm). Historically, giants like Zeus and Giant George have held records for the world’s tallest dogs.

3. Scottish Deerhound (32 inches)

With males measuring 30–32 inches (76–81 cm), the Scottish Deerhound was originally bred to hunt red deer in the Highlands. Today, they remain gentle, friendly companions.

4. Great Pyrenees (32 inches)

Standing 27–32 inches (68–81 cm), the Great Pyrenees is an intelligent, protective guardian originally raised to watch livestock in the Pyrenees Mountains. Their sweet nature makes them ideal family dogs.

5. Borzoi (32 inches)

The Russian Borzoi, known for its sleek coat, can sprint up to 40 mph (60 km/h). They grow to 28–32 inches (71–81 cm) and were historically prized hunting dogs.

6. Leonberger (31.5 inches)

German‑bred Leonbergers stand 28–31.5 inches (71–80 cm). These friendly giants were created for working duties and are cherished as family pets.

7. English Mastiff (31 inches)

English Mastiffs reach 28–31 inches (71–79 cm) and are among the heaviest breeds. Their gentle, loving nature has earned them a reputation as protective companions.

8. Neapolitan Mastiff (31 inches)

Neapolitan Mastiffs, with a height of 26–31 inches (66–79 cm), are powerful guard dogs characterized by loose, wrinkled skin and a loyal, protective temperament.

9. Greyhound (30 inches)

Greyhounds, standing 28–30 inches (71–76 cm), are known for their incredible speed and sleek build. Their gentle disposition makes them affectionate companions.

10. Kuvasz (30 inches)

Hungarian Kuvaszs stand 28–30 inches (71–76 cm). Historically used as livestock guardians, they are independent and protective.

11. Black Russian Terrier (30 inches)

Standing 27–30 inches (68–76 cm), the Black Russian Terrier was bred in Russia for military and working roles, renowned for intelligence and protective instincts.

12. Saint Bernard (30 inches)

Saint Bernards, 26–30 inches (66–76 cm) tall, are famed for alpine rescue missions in Switzerland. Their gentle nature makes them excellent family dogs.

13. Tibetan Mastiff (30 inches)

With a height of 26–30 inches (66–76 cm), the Tibetan Mastiff is one of the world’s oldest breeds, originally used by Himalayan nomads to guard sheep.

14. Anatolian Shepherd Dog (29 inches)

Turkish Anatolian Shepherds stand 27–29 inches (68–74 cm). These watchful guardians were bred to protect livestock and are highly independent.

15. Newfoundland (28 inches)

Newfoundlands, 28 inches (71 cm) tall, were developed in Canada as working dogs for fishermen. Their strength, calmness, and swimming prowess are legendary.

16. Bernese Mountain Dog (27.5 inches)

Standing 25–27.5 inches (63–70 cm), Bernese Mountain Dogs were Swiss farm dogs known for their caring nature and suitability as family pets.

17. Cane Corso (27.5 inches)

Italian Cane Corsos, 25–27.5 inches (58–70 cm) tall, were bred as guard dogs. Their athletic build and loyalty are hallmarks of the breed.

18. Boerboel (27 inches)

South African Boerboels stand 24–27 inches (61–68 cm). As powerful guard dogs, they are protective and devoted to their families.

19. Dogue de Bordeaux (27 inches)

French Dogues de Bordeaux, 23–27 inches (58–68 cm), were originally bred for guarding and hunting. Their muscular build and loyalty define the breed.

20. Rottweiler (27 inches)

Rottweilers, 24–27 inches (61–68 cm) tall, originated in Germany as herding and guard dogs. Their strength and protective nature are well documented.

Our article was crafted using AI technology and subsequently fact‑checked and refined by a HowStuffWorks editor to ensure accuracy and trustworthiness.