250px, Semi Valley ravine is a

village A village is a human settlement or community, larger than a hamlet but smaller than a town with a population typically ranging from a few hundred to a few thousand. Although villages are often located in rural areas, the term urban v ...

located in

Gunma Prefecture is a landlocked Prefectures of Japan, prefecture of Japan located in the Kantō region of Honshu. Gunma Prefecture has a population of 1,937,626 (1 October 2019) and has a geographic area of . Gunma Prefecture borders Niigata Prefecture and Fuk ...

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

. , the village had an estimated

population Population is a set of humans or other organisms in a given region or area. Governments conduct a census to quantify the resident population size within a given jurisdiction. The term is also applied to non-human animals, microorganisms, and pl ...

of 1,746 in 971 households, and a

population density Population density (in agriculture: Standing stock (disambiguation), standing stock or plant density) is a measurement of population per unit land area. It is mostly applied to humans, but sometimes to other living organisms too. It is a key geog ...

of 15 persons per km². The total area of the village is . Nanmoku, like many rural areas in Japan, has witnessed significant

population decline Population decline, also known as depopulation, is a reduction in a human population size. Throughout history, Earth's total world population, human population has estimates of historical world population, continued to grow but projections sugg ...

since the mid-20th century. As of 2023, 67.5% of the population was over age 65 and the median age was 68.4, making Nanmoku the grayest village in Japan.

Geography

Nanmoku is located in southwestern

bordering on

Nagano Prefecture is a Landlocked country, landlocked Prefectures of Japan, prefecture of Japan located in the Chūbu region of Honshu. Nagano Prefecture has a population of 2,007,682 () and has a geographic area of . Nagano Prefecture borders Niigata Prefecture ...

to the west. Part of the village is within the borders of the

Myōgi-Arafune-Saku Kōgen Quasi-National Park is a List of national parks of Japan, Quasi-National Park on the borders of Gunma Prefecture, Gunma and Nagano Prefecture, Nagano Prefectures of Japan, Prefectures, Japan. Established in 1969, the central feature of the park are Mounts (1,423 m ...

. * Mountains: ** Mount Arafune (1423 m) ** Mount Hikage (1407 m) ** Mount Ōya (1081 m) ** Eboshidake (1182 m) ** Mount Kurotaki (870 m) ** Mount Yotsumata (900 m) ** Tateiwa (1265 m) * Rivers: ** Kumakura River ** Nanmoku River ** Ōnita River ** Ōshiozawa River

Surrounding municipalities

* Kanna * Shimonita *

Ueno is a district in Taitō, Tokyo. The area extending from Ueno to Asakusa is part of the historical Shitamachi (literally "low city") district of Tokyo, which is often associated with working-class traditions and culture as well as their dist ...

* Saku * Sakuho

Climate

Nanmoku has a

humid continental climate A humid continental climate is a climatic region defined by Russo-German climatologist Wladimir Köppen in 1900, typified by four distinct seasons and large seasonal temperature differences, with warm to hot (and often humid) summers, and cold ...

(Köppen ''Cfa'') characterized by warm summers and cold winters with heavy snowfall. The average annual temperature in Nanmoku is 11.0 °C. The average annual rainfall is 1127 mm with September as the wettest month. The temperatures are highest on average in August, at around 24.0 °C, and lowest in January, at around -1.3 °C.

Demographics

Per Japanese census data, the population of Nanmoku peaked around the year 1950 and has decreased drastically since then. As of 2023, 67.5% of the population is 65 or older, making Nanmoku the oldest village in Japan.

History

During the

Edo period The , also known as the , is the period between 1600 or 1603 and 1868 in the history of Japan, when the country was under the rule of the Tokugawa shogunate and some 300 regional ''daimyo'', or feudal lords. Emerging from the chaos of the Sengok ...

, the area of present-day Nanmoku was largely part of the ''

tenryō The Tokugawa shogunate, also known as the was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara, ending the civil war ...

'' territory held directly by

Tokugawa shogunate The Tokugawa shogunate, also known as the was the military government of Japan during the Edo period from 1603 to 1868. The Tokugawa shogunate was established by Tokugawa Ieyasu after victory at the Battle of Sekigahara, ending the civil wars ...

within

Kōzuke Province was a Provinces of Japan, province of Japan in the area of Japan that is today Gunma Prefecture. Kōzuke bordered Echigo Province, Echigo, Shinano Province, Shinano, Musashi Province, Musashi and Shimotsuke Province, Shimotsuke Provinces. Its abb ...

. The area was divided into villages with the establishment of the modern municipalities system on April 1, 1889. The village of Nanmoku was created on March 15, 1955 by the merger of the villages of Iwado, Tsukigata and Ozawa.

Government

Nanmoku has a mayor-council form of government with a directly elected mayor and a

unicameral Unicameralism (from ''uni''- "one" + Latin ''camera'' "chamber") is a type of legislature consisting of one house or assembly that legislates and votes as one. Unicameralism has become an increasingly common type of legislature, making up nearly ...

village council of eight members. Nanmoku, together with the other municipalities in Kanra District contributes one member to the Gunma Prefectural Assembly. In terms of national politics, the town is part of Gunma 5th district of the

lower house A lower house is the lower chamber of a bicameral legislature, where the other chamber is the upper house. Although styled as "below" the upper house, in many legislatures worldwide, the lower house has come to wield more power or otherwise e ...

of the

Diet of Japan , transcription_name = ''Kokkai'' , legislature = 215th Session of the National Diet , coa_pic = Flag of Japan.svg , house_type = Bicameral , houses = , foundation=29 November 1890(), leader1_type ...

Economy

During the postwar decades Nanmoku had a thriving economy anchored by

sericulture Sericulture, or silk farming, is the cultivation of silkworms to produce silk. Although there are several commercial species of silkworms, the caterpillar of the Bombyx mori, domestic silkmoth is the most widely used and intensively studied silkwo ...

, konjac cultivation and

forestry Forestry is the science and craft of creating, managing, planting, using, conserving and repairing forests and woodlands for associated resources for human and Natural environment, environmental benefits. Forestry is practiced in plantations and ...

. However, by the late 20th century konjac production had relocated to more economical areas while Nanomku's silk and forest products struggled to compete with cheap foreign imports. The lack of economic opportunity accelerated Nanmoku's population decline, further weakening the economy. In the present day, economic activity in Nanmoku is centered around services and small-scale agriculture.

Education

Nanmoku has a nursery school, compulsory school operated by the village government. The village does not have a high school.

Transportation

Railway

Nanmoku is not served by any passenger railway service. The nearest train station is Shimonita Station in the neighboring town of Shimonita.

Highway

Nanmoku is not served by any national highways.

Local attractions

Nanmoku is popular locally for its scenery. The village is located in the valley of a small mountain range, where there are excellent hiking opportunities. One of the mountains, Mt. Arahune, is home to a park with a campsite, including a large multipurpose recreational area that has tennis, water sports, and fishing facilities. There is also an astronomy center located on the grounds. Nanmoku also has a museum that documents local culture and history.

150px, Nanmoku's fire-spinning festival, hitoboshi. The village is particularly famous for , the two-day local fire festival, the largest in the prefecture. Many people who have moved away but still have family in the village return for this festival, and it is popular with tourists as well. Though such fire festivals were once popular, few remain. Nanmoku's version falls on August 14 and 15, and coincides with

Obon or just is a fusion of the ancient Japanese belief in ancestral spirits and a Japanese Buddhist custom to honor the spirits of one's ancestors. This Buddhist custom has evolved into a family reunion holiday during which people return to ance ...

, a festival honoring ancestors. However, Hitoboshi itself commemorates the village's victorious alliance with the

Takeda clan The was a Japanese samurai clan active from the late Heian period until the late 16th century. The clan was historically based in Kai Province in present-day Yamanashi Prefecture. The clan reached its greatest influence under the rule of Taked ...

during the

Sengoku period The was the period in History of Japan, Japanese history in which civil wars and social upheavals took place almost continuously in the 15th and 16th centuries. The Kyōtoku incident (1454), Ōnin War (1467), or (1493) are generally chosen as th ...

.
Nanmoku home page During the festival, villagers take turns standing on a bridge and twirling burning bales of hay over the edge.

References

External links

Official Website
{{Authority control Villages in Gunma Prefecture