Cuptana Island is an island in the Chonos Archipelago of Chile. Other names in NGA are Calcai, Guabtana, and Nevada. See also List of islands of Chile External links Islands of Chile @ United Nations Environment Programme World island information @ WorldIslandInfo.com South America Island High Points above 1000 meters United States Hydrographic Office, South America Pilot (1916) Chonos Archipelago es:Archipiélago de los Chonos#Isla Cuptana