Top 10 Mountain Dog Breeds that are tough 

Appenzeller Sennenhund is one of the strongest and toughest dogs. they mostly used in farms and forests 

1. Appenzeller Sennenhund

The Bernese Mountain Dog is one of the largest dog breeds. This is one of the four related Swiss mountain dog breeds.

2. Bernese Mountain Dog

Caucasian Shepherd Dog is known as mountain dogs they can easily adapt to any atmospheric changes like heat, cold, and rain 

3. Caucasian Shepherd Dog

4. Entlebucher Mountain Dog

Entlebucher Mountain Dog is one of the most aggressive dog breeds They are mostly used for territorial land border protections 

The Great Pyrenees are mainly known for their height.  They can easily survive in mountain areas colds areas they adapt easily 

5. Great Pyrenees

Of the four kinds of Swiss mountain dogs, the bigger Swiss mountain dog is the oldest and largest. they are very sensitive and smartest dog breeds 

6. Greater Swiss Mountain Dog

Kuvasz is known for their gentleness and protective They are a good listener you can easily train them They are generally in white color

7. Kuvasz

8. Saint Bernard

Saint Bernard is one of the popular dog breeds that love traveling. Saint Bernard's senses are very strong they never forgot things easily 

9. Tibetan Mastiff

Tibetan mastiffs are an ancient breed. It is a resilient canine that can live in Tibet and the high Himalayan area.

10. Newfoundland

Newfoundland is known for their hairs on snowy days they can easily survive in mountains areas like the Himalayas where cold is more