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 recognized for their thick fur, which helps them withstand cold weather, and their distinctive markings, often featuring a mix of white and brown. Saint Bernards are friendly, loyal, and great with families, making them popular pets. They require regular exercise and grooming due to their size and coat. Despite their size, they are known for their calm demeanor and affectionate nature.