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Shibukawa

渋川市
Shibukawa 渋川市
City
	Shibukawa city hall
	Flag Seal
	Location of Shibukawa in Gunma Prefecture
	Shibukawa
	Coordinates: 36°23′22″N 139°03′48″E / 36.38944°N 139.06333°E
Country	Japan
Region	Kantō
Prefecture	Gunma
Area
• Total	240.27 km2 (92.77 sq mi)
Population (August 31, 2020)
• Total	76,098
• Density	320/km2 (820/sq mi)
Time zone	UTC+9 (Japan Standard Time)
- Tree	Maple
- Flower	Hydrangea
Phone number	0279-22-2111
Address	80 Ishihara, Shibukawa-shi, Gunma-ken 377-8501
Website	Official website

Shibukawa (渋川市, Shibukawa-shi) is a city in Gunma Prefecture, Japan. As of 31 August 2020^[update], the city had an estimated population of 76,098 in 32,439 households,^[1] and a population density of 320 inhabitants per square kilometre (830/sq mi). The total area of the city is 240.27 square kilometres (92.77 sq mi). Shibukawa is the location of Ikaho Onsen, a popular hot spring resort.

Geography

Shibukawa is located at the juncture of the Tone River and Agatsuma River, in the central part of Gunma Prefecture, on the northern edge of the Kantō plains. It is about 120 kilometres (75 miles) from Tokyo. To the west is Mount Haruna, and to the east is Mount Akagi. To the north are Mount Onoko and Mount Komochi. The Tone River flows from the north (between Mount Akagi and Mount Komochi) southward through the city, while the Agatsuma River flows from the west (between Mount Onoko and Mount Haruna), merging with the Tone River near the center of the city.

Shibukawa is at a central point (36°29′ N, 139°00′ E) of the Japanese archipelago and is thus known as the Bellybutton of Japan (日本のおへそ, nihon no oheso).

Shibukawa's highest altitude is 1,565 m (5,135 ft) above sea level; its lowest point is 139 m (456 ft) above sea level. The majority of the city lies between 200 and 800 metres (656 and 2,625 feet) above sea level

Farmland covers 49.88 km² (19.26 sq mi) (20.8% of the city), housing covers 20.31 km² (7.84 sq mi) (8.4%), and mountains and forests cover 77.39 km² (29.88 sq mi) (32.2%) of the city’s area. The remaining 92.84 km² (35.85 sq mi) (38.6%) has other land uses.

Surrounding municipalities

To the north: Numata, Shōwa, Takayama
To the east: Maebashi
To the south: Maebashi, Shintō, Yoshioka
To the west: Takasaki, Higashiagatsuma, Nakanojō

Climate

Shibukawa has a Humid continental climate (Köppen Cfa) characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Shibukawa is 13.7 °C. The average annual rainfall is 1335 mm with September as the wettest month. The temperatures are highest on average in August, at around 26.1 °C, and lowest in January, at around 2.3 °C.^[2]

Demographics

Per Japanese census data,^[3] the population of Shibukawa peaked around the year 1990 and has declined since.

Historical population
Year	Pop.	±%
1920	53,195	—
1930	59,999	+12.8%
1940	64,636	+7.7%
1950	82,971	+28.4%
1960	82,202	−0.9%
1970	83,756	+1.9%
1980	88,838	+6.1%
1990	91,094	+2.5%
2000	89,795	−1.4%
2010	83,330	−7.2%
2020	74,581	−10.5%

History

Shibukawa is located within what was formerly Kōzuke Province. During the Edo period, the area of present-day Shibukawa prospered due to its location on the Mikuni Kaidō highway connecting Takasaki with Niigata. Post stations within the borders of modern Shibukawa were Shibukawa-shuku, Kanai-shuku, Kitamoku-shuku and Yokobori-shuku.

Shibukawa town was created in Nishigunma District, Gunma Prefecture on April 1, 1889, with the creation of the modern municipalities system after the Meiji Restoration. In 1896, Nishiguma District and Kataoka District merged to form Gunma District, Gunma; however, the area containing Shibukawa was separated out in October 1949 into Kitagunma District. On April 1, 1954, Shibukawa town absorbed the villages of Furumaki, Kanashima and Toyoaki to become the city of Shibukawa.

On February 20, 2006, Shibukawa absorbed the town of Ikaho, the villages of Komochi and Onogami (all from Kitagunma District), and the villages of Akagi and Kitatachibana (both from Seta District).

Government

Shibukawa has a mayor-council form of government with a directly elected mayor and a unicameral city council of 18 members. Shibukawa contributes two members to the Gunma Prefectural Assembly. In terms of national politics, the city is divided between the Gunma 1st district and the Gunma 5th district of the lower house of the Diet of Japan.

Economy

Shibukawa is a regional commercial center and transportation hub. Seasonal tourism, particularly to its hot spring and ski resorts, play a major role in the local economy.

The area is noted for its production of konjac.

Education

Shibukawa has 14 public elementary schools and nine public middle schools operated by the city government, and four public high schools operated by the Gunma Prefectural Board of Education. The prefecture also operates two special education schools for the handicapped.

High schools

Shibukawa High School
Shibukawa Girls' High School
Shibukawa Kougyou High School
Shibukawa Seisui High School

Middle schools

Akagi North Middle School
Akagi South Middle School
Furumaki Middle School
Hokkitsu Middle School
Ikaho Middle School
Kanashima Middle School
Komochi Middle School
Shibukawa Middle School
Shibukawa North Middle School

Elementary schools

Ikaho Elementary School
Furumaki Elementary School
Kanashima Elementary School
Miharada Elementary School
Nagaou Elementary School
Nakagou Elementary School
Onogami Elementary School
Shibukawa North Elementary School
Shibukawa South Elementary School
Shibukawa West Elementary School
Tachibana North Elementary School
Tachibana South Elementary School
Toyoaki Elementary School
Tsukuda Elementary School

Transportation

Railway

JR East – Jōetsu Line

Yagihara - Shibukawa - Shikishima - Tsukuda

JR East – Agatsuma Line

Shibukawa - Kanashima - Ubashima - Onogami – Onogami-Onsen

Ikaho Ropeway

Hototogisu Station and Miharashi Station

Highway

Kan-etsu Expressway – Shibukawa-Ikaho IC, Akagi IC
National Route 17
National Route 353

Local attractions

Ikaho Onsen
Takehisa Yumeji Memorial Museum
Tokutomi Roka Memorial Museum
Mizusawa-dera, 16th stop on the Bandō Sanjūsankasho pilgrimage
Shibukawa Skyland Park - an amusement park
Ikaho Green Bokujou - a farm designed to show its visitors about farming
Ikaho Sistina Museum- an op art museum which also has a Sistine Chapel replica
Japan Chanson Museum - a museum dedicated to the chanson style of music
Shibukawa Sōgō Park - a large park encompassing hiking trails, campsites, tennis courts, a baseball diamond, a running track, and other recreational facilities
Onoike Ajisai Park- a hydrangea park with a pond and hiking trails
Shibukawa Sky Terume - a hot spring in a building which looks something like a spaceship

Festivals

Shibukawa calls itself "The Bellybutton of Japan" (日本のおへそ) and hosts the Bellybutton Festival (へそ祭り) every year in late July. The festival is based on a traditional Japanese form of entertainment where revelers paint a face on their torsos and stomachs and pretend it is a head. A kimono is then wrapped around the waist and the person's real head is hidden by a large cloth hat. The belly button is traditionally painted into a mouth. These days, modern motifs and Japanese anime designs have crept into the festival, which city officials said is all about having fun.^[4]^[5]