Take the Montélimar Nord exit, following signs for Le Teil, Villeneuve de Berg, Saint Germain, Vogüe, Ruoms, take the green itinéraire Bis towards Montpellier in the direction of Alès (D111).
Go through Grospierres La Gare then take the D311 in the direction of Grospierres Mairie.
Follow the signs marked “Camping Les Chadenèdes”.