Greater Swiss Mountain Dogs are large and robust. Males typically weigh between 105-140 pounds, while females generally range from 85-110 pounds. Their height usually measures between 23-30 inches at the shoulder, making them one of the largest breeds in the working group.

Greater Swiss Mountain Dogs are known for their friendly, loyal, and calm temperament. They are typically good-natured and sociable, making them excellent family pets. Their gentle demeanor allows them to get along well with children and other pets. Being intelligent and eager to please, they respond well to training. However, they can also be independent at times, so consistent training and positive reinforcement are important.

The coat of the Greater Swiss Mountain Dog is short, thick, and water-resistant. They have a striking tri-color pattern, typically consisting of black, white, and rust markings. The coat is relatively low-maintenance, requiring regular brushing to manage shedding and keep it looking healthy.

This breed thrives in active environments where they can receive plenty of exercise and social interaction. Greater Swiss Mountain Dogs do well in homes with space to roam, such as those with yards or access to outdoor areas. While they can adapt to different living situations, they need daily physical activity to maintain good health and prevent boredom.

Greater Swiss Mountain Dogs enjoy various activities that provide physical and mental stimulation. They excel in outdoor activities such as hiking, walking, and running. Because of their strength and power, they also enjoy pulling activities, such as carting and weight pulling. Engaging them in obedience training, agility, and other dog sports is beneficial, as these activities give them a mental challenge and help strengthen the bond with their owners.