Being so intelligent and eager to please, in the right hands and with correct training methods, the Leonberger is an easy dog to train being extremely quick to pick up on what is expected of them. However, their training has to start as early as possible so that these large dogs get to understand their place in the pack and who is alpha dog in a household. They are never happier than when they know who to look up for direction and guidance. Once they know who is boss, they are obedient, well-behaved and always keen to please dogs.