Rongé Island or Cuverville Island or De Rongé Island or Isla Curville or Rouge Island is a high, rugged island 5 miles long, the largest island of the group which forms the west side of Errera Channel, off the west coast of Graham Land. Rongé Island is located at 64°43′S 62°41′W / 64.717°S 62.683°W. Rongé Island was discovered by the Belgian Antarctic Expedition (1897-1899) under Adrien de Gerlache who named it for Madame de Rongé, a contributor to the expedition.