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is the largest of the Yaeyama Islands and the second largest in Okinawa Prefecture after Okinawa Island itself. The island has an area of 289.27 km² and a 2005 population of 2347. The island does not have an airstrip, and most visitors—over 390,000 in 2006—arrive from Ishigaki by ferry, a 31.4 km ride to on Iriomote's northeast coast or on the southeast coast. Administratively the island belongs to Taketomi Town, Okinawa Prefecture, Japan.〔 Infrastructure is limited to a single coastal road connecting the hamlets on the northern and eastern shores. ==Geography and climate== 90% of the island is covered by dense jungle and mangrove swamps. 80% of the island is protected state land, and 34.3% of the island forms the Iriomote National Park. The highest point on the island is Mt. Komi (古見岳 ''Komidake'') at . Around northwest () of Iriomote is an active undersea volcano which last erupted in 1924; the summit is below sea level. The island's Urauchi River is the largest river in Okinawa Prefecture, and the smaller Nakama and Nakara rivers also flow within the island. Iriomote is also home to Pinaisara Falls, the largest waterfall in Okinawa Prefecture.〔(【引用サイトリンク】title=Introducing places of interest: Iriomote-Ishigaki National Park (Iriomote) )〕 Iriomote has a tropical rainforest climate (Köppen climate classification ''Af''). The average yearly temperature is 23.6°C (74.5°F), and the average monthly temperature ranges from 18.3°C (64.9°F) in January to 28.9°C (84°F) in July. Iriomote has a typhoon season that, on average, runs from June to September. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iriomote-jima」の詳細全文を読む スポンサード リンク
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