St.-Arnoult-en-Yvelines is a charming village in the Yvelines region of Île-de-France, France. It is nestled in the Rémarde valley, surrounded by woods and fields, and offers a peaceful escape from the hustle and bustle of the city. You can explore the historic church of St. Arnoult, the old mill, and the castle of La Boissière, or visit the nearby Rambouillet forest, a natural reserve with hiking trails and wildlife. St.-Arnoult-en-Yvelines is also the final resting place of the famous writer and aviator Antoine de Saint-Exupéry, author of The Little Prince, whose house and museum are open to the public.