With males exceeding 30 inches and 175 pounds, patient Great Danes are literal gentle giants.
Towering Great Danes
One of the most ancient giant breeds, Mastiffs can reach 30 inches tall and 230 pounds.
Massive Mastiffs
Known for alpine rescues, huge heavy-coated St. Bernards average between 140-180 pounds full grown.
Big-boned St. Bernards
The famously water-loving Newfies typically measure 28 inches tall and 150 pounds in size.
Seafaring Newfoundlands
Scottish Deerhounds are sight hounds over 30 inches tall, weighing 90-110 pounds.
Lofty Leggy Deerhounds
This German giant breed stretches over 2.5 feet tall and 170 pounds when full grown.
Lion-esque Leonbergers
Despite the name, easygoing Irish Wolfhounds are gentler family dogs weighing up to 180 pounds.
Wolf-like Irish Wolfhounds