Bernese Mountain Dog vs Saint Bernard

Both are large Swiss mountain dogs, but they come from different jobs and valleys. The Bernese Mountain Dog is a Sennenhund farm dog from the canton of Bern, used to herd cattle and pull dairy carts. The Saint Bernard was bred by monks at the Great St Bernard Hospice on the Italian-Swiss border for Alpine rescue.

Size and look differ. The Saint is the taller breed, with males commonly 28 to 35 inches, and a heavy build with a long tail. The Bernese is slightly smaller with males about 25 to 28 inches. Both are gentle and short-lived for their size, with cancer and joint problems among common causes of concern.

Bernese Mountain Dog vs Saint Bernard side by side

Last verified October 2026. Typical values; individual animals, products and local prices vary.

When you are looking at which

Bernese Mountain Dog

• The dog is black with rust and white markings, in a tricolor pattern.
• Its coat is long and double-layered, with no smooth-coated version.
• A male stands about 25 to 28 inches and weighs roughly 80 to 120 pounds.
• The papers or the breeder say it comes from a Swiss farm and draft dog line.

Saint Bernard

• The dog is mostly white with red or reddish-brown patches.
• The coat may be short and smooth, or long.
• A male is taller, around 28 to 35 inches at the shoulder.
• The breeder says the line goes back to the Alpine rescue dogs of the hospice.

How this works

The quiz asks about color pattern, coat length, height, history and lifespan. Each answer favors the breed most associated with that cue, and the note under each question names both so you can see the reasoning, including which cues are weaker or overlap.

Mixed breeds and puppies can look different, and individual dogs can fall outside the ranges given here. Pedigree papers or a DNA test is the reliable confirmation, and a veterinarian can advise on the health risks of large dogs, which both of these breeds share.

Where these numbers come from

The figures and defaults on this page are based on:

• Wikipedia: Bernese Mountain Dog, Bernese origin, size, tricolor long coat, health and life expectancy. (checked October 2026)
• Wikipedia: St. Bernard (dog), Saint Bernard origin, height, coat types, color, health and life expectancy. (checked October 2026)
• American Kennel Club: Bernese Mountain Dog, AKC description of Berner temperament. (checked October 2026)
• American Kennel Club: Saint Bernard, AKC description of the Saint Bernard's temperament and origin. (checked October 2026)

Breed-identification guide. Mixed breeds vary, so use papers or DNA testing when you need certainty.