Gros-Morne, HaitiGros-Morne is a commune in the Gros-Morne Arrondissement, in the Artibonite department of Haiti. It has 155,692 inhabitants. Gros-Morne is a rural city in Haiti. Its name means "Big Mountain."EconomyGros-Morne is famous for its production of the "Madame Francis" mango, in spite of the limited means of transport.