The Greater Swiss mountain dog is the largest of the four mountain dog breeds of Swiss heritage and has the same tri-colored coat. It’s just a bit bigger than Saint Bernard.

The Greater Swiss Mountain Dog was developed in Switzerland as an all-purpose farm dog. They were needed as draft dogs to pull heavy carts, as drover dogs to move herds of dairy cattle, as ...

2. Saint Bernard. Roland Epting/Getty Images. Famous for its sizable build and gentle disposition, the Saint Bernard is one of the more popular Swiss mountain dog breeds.They are an amiable, go ...