Japan's most remote inhabited island — jungle covering 90% of its land surface, the critically endangered Iriomote wildcat found nowhere else on earth, mangrove river kayaking, and waterfalls accessible only by boat
Iriomote (西表島, Iriomote-jima) is the second-largest island of Okinawa Prefecture (289 sq km) and the most remote inhabited island in Japan — located at 24°N latitude in the Yaeyama Islands group, 2,000km southwest of Tokyo, 45km west of Ishigaki, reachable only by ferry (40-minute fast ferry from Ishigaki). The island's exceptional ecological significance comes from its size-to-wilderness ratio: 90% of Iriomote is covered by subtropical jungle (the northernmost tropical monsoon rainforest in Japan, classified as subtropical evergreen forest dominated by Ryukyu pine, banyan, Pandanus palm, and…
Iriomote was one of the last islands in Japan to be brought under formal central government authority — the Ryukyu Kingdom controlled the Yaeyama Islands from approximately the 15th century (the date of Ryukyuan conquest of the indigenous Yaeyama people), but Iriomote's interior remained almost entirely uncontrolled due to its jungle density and the absence of arable flatland. The Ryukyu Kingdom imposed forced labor taxes (mitsugimono) on the Yaeyama islanders in the 16th-17th centuries that caused severe population decline; Iriomote's population fell to approximately 200 people at the nadir…