The GR1, long-distance hiking trail, also known as the Tour de l'Île-de-France, is an invitation to discover the natural and historical treasures that border the surroundings of Paris. Created to offer a green escape from the hustle and bustle of the city, this hiking trail crosses diverse landscapes and sites steeped in history.
Historically, the GR1 was designed in the 1950s and was part of the first long-distance hiking trails developed in France,...