Aomori

About Aomori

Aomori Prefecture covers 9,645.11 square kilometres, eighth largest in Japan, with population 1,129,640 as of July 1 2026, about 1.13 million and density 117 per square kilometre. Capital is Aomori City with about 253,000 residents, a core city and eastern terminus of the Tsugaru Peninsula. Geography places it at Honshu's tip surrounded on three sides by water: Pacific east, Sea of Japan west and Tsugaru Strait north facing Hokkaido only 23 kilometres away, linked by the Seikan Tunnel rail and ferry. Centrally the Ou Mountains run south to north dividing culturally distinct Tsugaru region in west with Tsugaru Plain developed from old lake bed and Mount Iwaki 1,624 metres called Tsugaru Fuji, and Nanbu region in east comprising Sanpachi Kamikita districts and Shimokita Peninsula shaped like an axe with Mount Osorezan and Cape Oma at Honshu's northernmost settlement after rebuilding suburbs of villages causing municipal upheaval begun merging settlements about trying level about Honshu patience. Lakes include Towada caldera lake 327 metres deep shared with Akita, Ogawara brackish lagoon and Jusan lagoon. History derives from northern Mutsu Province. Under Edo, central governance after Nanbu clan shifted to Tsugaru clan to Hirosaki 470,000 koku. In 1871 haihan-chiken created Hirosaki Prefecture and in September its office moved from Hirosaki to Aomori town, renamed Aomori Prefecture to avoid old castle town rivalry. In 1876 Ninohe District was transferred to Iwate fixing today's borders. Climate is entirely heavy snowfall zone, Aomori City being the only prefectural capital wholly under special heavy snow zone with about 7 metres annual snowfall, 669 centimetres observed long-term, July mean 23.5 Celsius. West of Ou range is Sea-of-Japan climate with abundant snow and short sunshine in winter, east is Pacific climate with cool yamase east wind bringing fog in summer limiting rice, relatively sunny winters, inland continental. Common winter lows below minus 10 Celsius. Industry is major agriculture with calorie-based food self-sufficiency 118 percent, top in apple blossom is prefectural flower covering 50 percent of Japan, nagaimo Chinese yam, garlic and burdock, Hachinohe Port is Japan's top for mackerel and squid, scallops in Mutsu Bay known for Hira fortune cultivation, Toshihiro Hokkai dialect influences livestock apple-fed beef. Hachinohe coastal industrial zone hosts thermal power, paper and shipbuilding. Around Rokkasho and Mutsu-Ogawara are nuclear fuel cycle reprocessing plant awaiting final checks, nuclear fusion experimental, ITER-related and wind farms among Japan's largest with 100 windmills. Tourism centres on Shirakami-Sanchi World Natural Heritage shared with Akita famous for primeval beech, Towada-Hachimantai National Park, Oirase Gorge 14 kilometres with waterfalls, Hakkoda Mountains with snow monsters juhyo, Osorezan caldera lake and Hotokegaura white cliffs on Shimokita, Cape Oma renowned for tuna, Hirosaki Castle with 2,600 cherry trees in park hosting sakura matsuri, and summer festivals Aomori Nebuta with huge illuminated warrior floats, Hirosaki Neputa fan shaped, Goshogawara Tachineputa 23 metres tall, and Hachinohe Sansha Taisai as Important Intangible Folk Cultural Property, plus Sannai-Maruyama Jomon site with 5,500-year-old ruins.