Ōmachi (大町市, Ōmachi-shi) is a city located in Nagano Prefecture, Japan. As of 1 March 2019[update], the city had an estimated population of 27,559 in 11861 households,[1] and a population density of 49 persons per km2. The total area of the city is 565.15 square kilometres (218.21 sq mi).
Geography
Ōmachi is located west of Nagano, the capital of Nagano Prefecture, in the Daihoku District (大北地域, Daihoku-chiiki) of the prefecture. The 3000 meter Northern Japanese Alps (or Hida Mountains) are to the west ranges to the west of the city and mountains of around 1000 meters form the eastern border. The Takase River runs through the city, which is located in the northern Matsumoto basin.
Mountains: Mount Yarigatake, Mount Noguchigorō (野口五郎岳, Noguchigorō-dake), Mount Eboshi (烏帽子岳, Eboshi-dake), Mount Sugoroku (双六岳, Sugoroku-dake), Mount Otenshō (大天井岳, Otenshō-dake), Mount Tsubakuro (燕岳, Tsubakuro-dake), Mount Gaki (餓鬼岳, Gaki-dake), Mount Harinoki (針ノ木岳, Harinoki-dake), Mount Renge (蓮華岳, Renge-dake), Mount Jii (爺ヶ岳, Jii-ga-take), Mount Kashimayari (鹿島槍ヶ岳, Kashimayari-ga-take), Mount Goryū (五竜岳, Goryū-dake)
Rivers: Takase River
Lakes and marshes: Nishina three lakes (仁科三湖, Nishina-san-ko) (Lake Kizaki (木崎湖, Kizaki-ko), Lake Nakatsuna (中綱湖, Nakatsuna-ko), Lake Aoki (青木湖, Aoki-ko))
Due to its elevation, the city has a Köppen climate classificationDfa climate. Winters are cold and very snowy, while summers are very warm and wet. The average annual temperature in Ōmachi is 9.7 °C (49.5 °F). The average annual rainfall is 1,405.9 mm (55.35 in) with July as the wettest month. The temperatures are highest on average in August, at around 22.4 °C (72.3 °F), and lowest in January, at around −2.8 °C (27.0 °F).[2]
Climate data for Ōmachi (1991−2020 normals, extremes 1978−present)
The area of present-day Ōmachi was part of ancient Shinano Province. The area was part of the holdings of Matsumoto Domain during the Edo period. The modern town of Ōmachi was established with the creation of the municipalities system on April 1, 1889. It merged with the neighboring villages of Taira, Tokiwa and Yashiro on July 1, 1954 to form the city of Ōmachi. On January 1, 2006, the villages of Miasa and Yasaka (both from Kitaazumi District) were merged into Ōmachi.
Demographics
Per Japanese census data,[4] the population of Ōmachi has been declining over the past 40 years.
Ōmachi is a regional commercial center and a producer of aluminum, cotton thread and rice. Seasonal tourism to the mountains is also an important source of local income.[5]
Education
Ōmachi has five public elementary schools, three public middle schools and one combined elementary/middle school operated by the city government. There are two public high schools operated by the Nagano Prefectural Board of Education.
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