He is anywhere from 12 to 16 inches tall and can weigh anywhere from 49 to 55 pounds. More or less than this by too much could indicate a health problem that a vet will need to look into. (9/15) by Judy Powell September 10, 2020, 2:07 pm Judy Powell 0 Previous 9/15 Next View full list See more Previous article The Leonberger is a loving, steadfast dog who thrives on being made an integral part of the family. Next article This unique, ancient dog breed has an appearance quite unlike any other: dramatic silky coat, exotic face, and thin, fashion-model build. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.