Travelers are voting Fort Du Randouillet and Ouvrage Col de la Buffère as the best forts near Ecrins National Park. There are 1 fort in Marseille a city just 116 km from Ecrins National Park and 1 fort in Besancon which is 165 km distant. The most popular of these are Chateau d If in Marseille and Fortifications of Vauban in Besancon. You can find 2 forts in Provence-Alpes-Cote d'Azur and 18 forts in the country of France. Our members favorite in Provence-Alpes-Cote d'Azur is Ouvrage Col de la Buffère and Pointe aux Canons Battery is the top pick in France. Want more? Check out our map of forts near Ecrins National Park.