An excellent museum in a former sugar factory tells the story of sugar in amazing detail and also covers the history of the island.
Wikipedia https://fr.wikipedia.org/wiki/L'Aventure_du_Sucre
Official Website http://www.aventuredusucre.com/
Email aventure.sucre@intnet.mu
Phone + 230 243 7900
Address (Unnamed Road), Beau Plan, Mauritius
Coordinates -20°5'51.732" N 57°34'27.164" E
