Discover the history of the gardens of the royal castle, from its foundation in the Middle Ages to the 20th century. Accompanied by a guide-lecturer, this tour allows you to discover the characteristics and the evolution of the different gardens that existed around the castle and that now constitute the National Domain of Saint-Germain-en-Laye. An activity booklet will accompany the visitor and allow him to carry out several activities throughout the course: observation of the different states of the gardens from old plans, drawings of flowerbeds, etc.