Geography
Oita prefecture is located in central Kyushu, bordered on the northeast by the Seto Inland Sea and on the east by the Bungo Suido Sea. Except for a few plains, most of the prefecture is mountainous and heavily forested with many natural hot springs. The Aso Kujyu and other national parks occupy nearly 30% of the land area.
Climate
Average annual temperature is 16°C, with an average annual rainfall of 2,009 mm.
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