Dogs come in all shapes and sizes, from pint-sized Chihuahuas to towering Great Danes. For those fascinated by canine giants, this blog is for you. Here’s a countdown of the top 10 biggest and heaviest dog breeds in the world, based on average height and weight.
10. Bernese Mountain Dog
- Height: 23–27.5 inches (58–70 cm)
- Weight: 70–115 pounds (32–52 kg)
Originating from Switzerland, the Bernese Mountain Dog is a gentle giant. Known for its thick tri-colored coat and calm temperament, it was historically used for pulling carts and herding cattle.
9. Cane Corso
- Height: 23.5–27.5 inches (60–70 cm)
- Weight: 90–120 pounds (40–54 kg)
This powerful Italian breed was originally bred for guarding property and hunting large game. The Cane Corso is muscular, intelligent, and intensely loyal, making it both an imposing protector and a devoted companion.
8. Tibetan Mastiff
- Height: 24–30 inches (61–76 cm)
- Weight: 70–160 pounds (32–73 kg)
Don’t let the thick coat fool you—the Tibetan Mastiff is as tough as they come. Originally bred to guard Himalayan monasteries, this ancient breed is independent and protective, often weighing more than some adult humans.
7. Leonberger
- Height: 25.5–31.5 inches (65–80 cm)
- Weight: 90–170 pounds (41–77 kg)
Resembling a lion with its thick mane-like fur, the Leonberger is both majestic and gentle. This German breed is excellent with families, especially those with large homes and yards.
6. Boerboel
- Height: 22–27 inches (56–69 cm)
- Weight: 150–200 pounds (68–91 kg)
The Boerboel hails from South Africa, where it was bred to protect homesteads from wild animals. Massive and muscular, this breed is known for its confidence and devotion to its family.
5. Saint Bernard
- Height: 26–30 inches (66–76 cm)
- Weight: 120–180 pounds (54–82 kg)
Saint Bernards are gentle giants made famous for rescuing stranded travelers in the snowy Alps. Despite their size, they’re affectionate, great with kids, and known for their patience and loyalty.
4. Great Pyrenees
- Height: 25–32 inches (64–81 cm)
- Weight: 85–160 pounds (39–73 kg)
Originally bred to guard sheep in the Pyrenees Mountains, this breed is both beautiful and bold. Their thick white coats help them withstand cold temperatures, and their calm nature makes them great family dogs.
3. Anatolian Shepherd
- Height: 27–32 inches (69–81 cm)
- Weight: 90–150 pounds (41–68 kg)
This Turkish breed was developed to guard livestock against predators. Anatolian Shepherds are known for their independence, intelligence, and incredible size and strength.
2. Irish Wolfhound
- Height: 32–35 inches (81–89 cm)
- Weight: 105–180 pounds (48–82 kg)
The tallest of all dog breeds, the Irish Wolfhound can stand over 7 feet tall on its hind legs. Originally bred to hunt wolves and elk, they’re now gentle, dignified pets with surprisingly laid-back temperaments.
1. English Mastiff
- Height: 27–36 inches (69–91 cm)
- Weight: 160–230 pounds (73–104 kg)
The undisputed heavyweight champion of the dog world is the English Mastiff. These colossal canines are loving, calm, and protective. The heaviest recorded dog ever was an English Mastiff named Zorba, who weighed a staggering 343 pounds (156 kg)!
Final Thoughts
While their size may be intimidating, many of these giant breeds are known for their gentle and loving nature. However, they do require plenty of space, training, and attention to thrive. If you’re considering bringing one of these gentle giants into your home, be prepared for a big commitment—literally and figuratively.
Which of these massive breeds is your favorite? Let us know in the comments!
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