Alejandro Selkirk is the largest of the Juan Fernández Islands at , and its highest peak, Cerro de Los Inocentes, is also the highest point of the archipelago at . The island's population was 57 in 2012. Robinson Crusoe is the second largest island in the archipelago at ; its highest peak, El Yunque, is . The population of Robinson Crusoe was 843 in 2012. Santa Clara is in area and reaches a height of . Santa Clara is uninhabited. The maximum elevations of Juan Fernández, for Robinson Crusoe and for Alejandro Selkirk, respectively, are high enough to cause the phenomenon known as Kármán vortex street, which can be seen from space.