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What Is a Colorado Mountain Dog

What Is a Colorado Mountain Dog: A Guide to This Majestic Breed


The Colorado Mountain Dog, also known as the Colorado Mountain Mastiff, is a relatively new and lesser-known breed that has rapidly gained popularity among dog enthusiasts. This majestic breed is a mix of Great Pyrenees, Bernese Mountain Dogs, and Anatolian Shepherds. With their striking appearance, incredible strength, and gentle temperament, Colorado Mountain Dogs are becoming sought-after companions, working dogs, and family pets. In this article, we will delve into the characteristics, history, and FAQs surrounding this fascinating breed.


Colorado Mountain Dogs are large in size, with males weighing between 100 to 130 pounds and females ranging from 80 to 110 pounds. Standing at an impressive 27 to 30 inches tall at the shoulder, these dogs possess a powerful and muscular build. Their thick double coat, which comes in various colors including white, black, grey, and tan, provides them with the necessary insulation to thrive in the harsh Colorado mountain climates.

One of the most striking features of the Colorado Mountain Dog is its expressive face, characterized by kind, gentle eyes and a strong, square-shaped head. Their ears are medium-sized and triangular, while their tails are typically long and bushy. Overall, the breed exudes an air of strength, stability, and intelligence.


Colorado Mountain Dogs are known for their friendly and gentle nature, making them excellent family pets. They are devoted and loyal to their owners, often forming strong bonds with all members of the family, including children. Though they are generally good-natured, they can be protective of their loved ones and may exhibit wary behavior towards strangers.

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Due to their strong working and guarding instincts, Colorado Mountain Dogs make excellent livestock guardians. They are known for their ability to protect livestock such as goats, sheep, and chickens from predators. Their watchful nature and keen senses make them highly effective in warding off potential threats.


The Colorado Mountain Dog breed was developed in the early 2000s by Wendy Francisco, a Colorado-based breeder. Francisco aimed to create a versatile working dog capable of thriving in the demanding conditions of the Colorado mountains. By selectively breeding Great Pyrenees, Bernese Mountain Dogs, and Anatolian Shepherds, she successfully produced a breed that possessed the best traits of each parent breed.

The Colorado Mountain Dog’s ancestry can be traced back to ancient working breeds such as the Great Pyrenees, which were used for centuries by European shepherds to protect their flocks. The addition of Bernese Mountain Dogs and Anatolian Shepherds further enhanced the breed’s protective instincts, intelligence, and adaptability.


1. Are Colorado Mountain Dogs good with children?

Yes, Colorado Mountain Dogs are generally excellent with children. They are patient, gentle, and tolerant, making them ideal companions for families.

2. Do they require a lot of exercise?

Yes, Colorado Mountain Dogs are an active breed and require regular exercise to stay happy and healthy. Daily walks, playtime, and mental stimulation are essential for their well-being.

3. How do they fare in cold climates?

Due to their thick double coat, Colorado Mountain Dogs are well-suited for cold climates. They thrive in snowy conditions and are comfortable spending extended periods outdoors.

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4. Are they prone to any health issues?

Like many large breeds, Colorado Mountain Dogs can be susceptible to certain health conditions, including hip dysplasia and certain types of cancer. Regular veterinary check-ups and a healthy diet are essential in maintaining their overall well-being.

5. Are they easy to train?

Colorado Mountain Dogs are intelligent and eager to please, making them relatively easy to train. However, early socialization and consistent, positive reinforcement methods are crucial for their development.


The Colorado Mountain Dog is a remarkable breed that combines strength, intelligence, and a gentle nature. Their striking appearance, versatile working abilities, and compatibility with families make them a sought-after choice for many dog lovers. Whether as a working dog, a guardian, or a loyal family companion, the Colorado Mountain Dog is sure to leave a lasting impression on those fortunate enough to encounter them.

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