Dewa Mountains - Dewasanchi

Japanese: 出羽山地 - でわさんち

A hilly mountain range stretching from southwest Aomori Prefecture to Akita Prefecture and Yamagata Prefecture. The mountain range was formed by uplift at the end of the Neogene Period, and has an average elevation of about 500m. The geology is mainly composed of Neogene layers from the Miocene onwards, based on granite. It is divided by the Yoneshiro River, Omono River, Koyoshi River, etc., and is divided into the Shirakami Mountains, Taihei Mountains, Sasamori Hills, and Chodake Mountains from the north. The Chokai volcanic belt runs parallel to this mountain range, and volcanoes such as Mt. Iwaki and Mt. Chokai are found within it. This area is designated as Chokai Quasi-National Park. The mountain range is covered with deep snow due to the winter seasonal winds blowing in from the Sea of Japan. The annual precipitation is relatively high at about 1800mm, and beautiful forests of Japanese cypress and cedar grow everywhere, making it an abundant forest resource. Mines have been developed here since ancient times, and the Tara, Oppu, and Hanaoka mines were once very prosperous, but no mining is currently taking place here. Livestock farming is carried out on a large scale, making use of the mountain slopes.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

青森県南西部から，秋田県，山形県の 3県にまたがり南北に連なる丘陵性の山地。新第三紀末の隆起によってできた山地で，平均標高約 500m。地質は花崗岩を基盤とした中新世以後の新第三紀層が主体である。米代川，雄物川，子吉川などによって分断され，北から白神山地，太平山地，笹森丘陵，丁岳山地に区分される。鳥海火山帯がこの山地と並走し，そのなかに岩木山，鳥海山などの火山がある。この一帯は鳥海国定公園に指定されている。山地は日本海より吹き寄せる冬の季節風を受けて深雪地帯をなす。年降水量も約 1800mmで比較的多く，いたるところにヒバ，スギの美林が繁茂し，森林資源が豊富である。古くから鉱山が開発され，太良鉱山（だいらこうざん），尾太鉱山（おっぷこうざん），花岡鉱山などはかつて大いに栄えたが，今日では採掘は行なわれていない。山地の斜面を利用した牧畜が大規模に行なわれている。

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