The Saint Bernard is a large dog breed known for its gentle temperament and impressive size. Originally bred in the Swiss Alps, these dogs were used by monks at the Saint Bernard Pass to rescue travelers lost in snowstorms. They are characterized by their thick fur, broad head, and friendly expression. Saint Bernards are known for their loyalty and affection towards families, making them excellent companions. They typically weigh between 110 to 200 pounds and can stand up to 30 inches tall. Despite their size, they are known for being calm and good-natured, especially with children.