Top 8 Biggest Dog Breeds 

With a maximum weight of 110-180 lbs, the wiry-coated Scottish Deerhound makes the list as one of the tallest breeds.  

Scottish Deerhound

Weighing up to 170 pounds, the lion-inspired Leonberger is a giant friendly breed with a waterproof double coat.


One of the oldest big breeds, the Irish Wolfhound can stand over 30 inches tall and weigh up to 180 pounds.

Irish Wolfhound

The beloved St. Bernard can tip the scales at up to 260 pounds with its imposing frame and friendly demeanor.

Saint Bernard

Known for its swimming abilities and gentle nature, the fluffy Newfoundland can weigh up to 150 pounds.  


One of the most massive breeds in terms of bulk, the Mastiff can reach over 200 pounds of loyalty and devotion.

English Mastiff 

The world's tallest dog breed, Great Danes can weigh up 200 pounds, tying for top billing with the powerful Bullmastiff.


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