Pourquoi Pas Island is a mountainous island, long and from wide, lying between Bigourdan Fjord and Bourgeois Fjord off the west coast of Graham Land. It was discovered by the French Antarctic Expedition under Charcot, 1908-10. The island was charted more accurately by the British Graham Land Expedition (BGLE) under John Rymill, 1934–37, who named it for Charcot's expedition ship, the Pourquoi-Pas ?.