was a

Japanese castle are fortresses constructed primarily of wood and stone. They evolved from the wooden stockades of earlier centuries, and came into their best-known form in the 16th century. Castles in Japan were built to guard important or strategic sites, such ...

located in the city of

Numazu is a city located in eastern Shizuoka Prefecture, Japan. , the city had an estimated population of 189,486 in 91,986 households, and a population density of 1,014 persons per km2. The total area of the city is . Geography Numazu is at the nor ...

Shizuoka Prefecture is a prefecture of Japan located in the Chūbu region of Honshu. Shizuoka Prefecture has a population of 3,637,998 and has a geographic area of . Shizuoka Prefecture borders Kanagawa Prefecture to the east, Yamanashi Prefecture to the northea ...

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. It was a ''hirayama-jō'', a castle built on a plains rather than a hill or mountain. During the

Edo period The or is the period between 1603 and 1867 in the history of Japan, when Japan was under the rule of the Tokugawa shogunate and the country's 300 regional '' daimyo''. Emerging from the chaos of the Sengoku period, the Edo period was characteriz ...

, Numazu castle was home to the

Mizuno clan The was a Japanese kin group which claimed descent from Minamoto no Mitsumasa, son of Minamoto no Tsunemoto of the Seiwa Genji clan. Papinot, Jacques Edmond Joseph. (1906). ''Dictionnaire d’histoire et de géographie du Japon''; Papinot, (2 ...

, ''

daimyō were powerful Japanese magnates, feudal lords who, from the 10th century to the early Meiji era, Meiji period in the middle 19th century, ruled most of Japan from their vast, hereditary land holdings. They were subordinate to the shogun and n ...

'' of

Numazu Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan located in Suruga Province. It was centered on Numazu Castle in what is now the city of Numazu, in modern-day Shizuoka Prefecture. History In 1601, Ōkubo Tadasuke, a 5000 ...

under the

Tokugawa shogunate The Tokugawa shogunate (, Japanese 徳川幕府 ''Tokugawa bakufu''), also known as the , was the military government of Japan during the Edo period from 1603 to 1868. Nussbaum, Louis-Frédéric. (2005)"''Tokugawa-jidai''"in ''Japan Encyclopedia ...

Background

Numazu is at the northern end of

Izu Peninsula The is a large mountainous peninsula with a deeply indented coastline to the west of Tokyo on the Pacific coast of the island of Honshu, Japan. Formerly known as Izu Province, Izu peninsula is now a part of Shizuoka Prefecture. The peninsul ...

and the mouth of the

Kamo River The is located in Kyoto Prefecture, Japan. The riverbanks are popular walking spots for residents and tourists. In summer, restaurants open balconies looking out to the river. There are walkways running alongside the river, and some stepping ...

. As a narrow area where the Tōkaidō highway connecting

Kyoto Kyoto (; Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in Japan. Located in the Kansai region on the island of Honshu, Kyoto forms a part of the Keihanshin metropolitan area along with Osaka and Kobe. , the ci ...

with

Edo Edo ( ja, , , "bay-entrance" or "estuary"), also romanized as Jedo, Yedo or Yeddo, is the former name of Tokyo. Edo, formerly a ''jōkamachi'' (castle town) centered on Edo Castle located in Musashi Province, became the ''de facto'' capital of ...

must pass between the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

and the foothills of

Mount Fuji , or Fugaku, located on the island of Honshū, is the highest mountain in Japan, with a summit elevation of . It is the second-highest volcano located on an island in Asia (after Mount Kerinci on the island of Sumatra), and seventh-highest p ...

, Numazu commanded a strategic location and was also a good port for shipping to the Izu Peninsula. The settlement of Numazu prospered in the

Numazu-juku was the twelfth of the fifty-three stations of the Tōkaidō. It is located in the present-day city of Numazu, Shizuoka Prefecture, Japan. History Numazu was the easternmost post station within Suruga Province, and was the castle town of the ...

, and eight generations of the Mizuno clan resided at Numazu castle, with their revenues eventually rising to 50,000 ''koku''.

History

Sanmaibashi Castle

The predecessor of Numazu Castle, , was built in the

Sengoku period The was a period in History of Japan, Japanese history of near-constant civil war and social upheaval from 1467 to 1615. The Sengoku period was initiated by the Ōnin War in 1467 which collapsed the Feudalism, feudal system of Japan under the ...

Takeda Shingen , of Kai Province, was a pre-eminent ''daimyō'' in feudal Japan. Known as the "Tiger of Kai", he was one of the most powerful daimyō with exceptional military prestige in the late stage of the Sengoku period. Shingen was a warlord of great ...

to protect his flank against the Odawara Hōjō during his invasion of Suruga Province. The original castle consisted of three concentric enclosures, each surrounded by a moat connected to the Kano River, with ''Umadashi''-style gates. The Takeda and Hōjō came into conflict in 1578 after the death of

Uesugi Kenshin , later known as was a Japanese ''daimyō''. He was born in Nagao clan, and after adoption into the Uesugi clan, ruled Echigo Province in the Sengoku period of Japan. He was one of the most powerful ''daimyō'' of the Sengoku period. Known as ...

, and

Takeda Katsuyori was a Japanese ''daimyō'' of the Sengoku period, who was famed as the head of the Takeda clan and the successor to the legendary warlord Takeda Shingen. He was son in law of Hojo Ujiyasu. Early life He was the son of Shingen by the daughter ...

held Sanmaibashi Castle against repeated attacks by the Hōjō from nearby

Nagahama Castle is a ''hirashiro'' (castle on a plain) located in Nagahama, Shiga Prefecture, Japan. History Nagahama Castle was built in 1575-1576 by Hashiba Hideyoshi (later known as Toyotomi Hideyoshi) in the village then called Imahama, renaming the area ...

. After the defeat of the Takeda clan in 1582 by the forces of

Oda Nobunaga was a Japanese ''daimyō'' and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan. Nobunaga was head of the very powerful Oda clan, and launched a war against other ''daimyō'' to unify ...

and

Tokugawa Ieyasu was the founder and first ''shōgun'' of the Tokugawa Shogunate of Japan, which ruled Japan from 1603 until the Meiji Restoration in 1868. He was one of the three "Great Unifiers" of Japan, along with his former lord Oda Nobunaga and fellow ...

, the castle went to Tokugawa Ieyasu until 1590, when he was transferred to the

Kantō region The is a geographical area of Honshu, the largest island of Japan. In a common definition, the region includes the Greater Tokyo Area and encompasses seven prefectures: Gunma, Tochigi, Ibaraki, Saitama, Tokyo, Chiba and Kanagawa. Slight ...

Toyotomi Hideyoshi , otherwise known as and , was a Japanese samurai and ''daimyō'' (feudal lord) of the late Sengoku period regarded as the second "Great Unifier" of Japan.Richard Holmes, The World Atlas of Warfare: Military Innovations that Changed the Cour ...

. Numazu was awarded to Nakamura Kazuuji, a retainer of Hideyoshi, who also held

Sunpu Castle was a Japanese castle in Shizuoka City, Shizuoka Prefecture in Japan. The sobriquet of this feudal fortress was the "Castle of the Floating Isle".Japan Society for the Promotion of Science (JSPS)Shizuoka It was also referred to as or . Hist ...

. Following the

Battle of Sekigahara The Battle of Sekigahara (Shinjitai: ; Kyūjitai: , Hepburn romanization: ''Sekigahara no Tatakai'') was a decisive battle on October 21, 1600 (Keichō 5, 15th day of the 9th month) in what is now Gifu prefecture, Japan, at the end of ...

, Tokugawa Ieyasu recovered his ancestral possessions in Suruga, and gave Numazu to his veteran general,

Ōkubo Tadasuke was a Japanese '' daimyō'' of the Sengoku period and early Edo period. He was the head of Numazu Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan located in Suruga Province. It was centered on Numazu Castle in ...

in 1601. However, Ōkubo died without heir in 1613, and his domain was abolished, and Sanmaibashi Castle fell into ruin.

Numazu Castle

In April 1777, when the former ''

wakadoshiyori The ', or "Junior Elders", were high government officials in the Edo period Japan under the Tokugawa shogunate (1603-1867). The position was established around 1633, but appointments were irregular until 1662. The four to six ''wakadoshiyori'' we ...

'' Mizuno Tadatomo was transferred from Ohama Domain in

Mikawa province was an old province in the area that today forms the eastern half of Aichi Prefecture. Nussbaum, Louis-Frédéric. (2005). "''Mikawa''" in . Its abbreviated form name was . Mikawa bordered on Owari, Mino, Shinano, and Tōtōmi Provinces. Mik ...

to Numazu, he was assigned revenues of 20,000 ''koku'' and authorized to build a castle. The site he chose was the ruins of Sanmaibashi Castle, which had been abandoned for over 150 years. As this was in the middle of the period of "Great Peace" under the Tokugawa shogunate, the new Numazu Castle used only a portion of the former site, and did not make use of the former third bailey. The defenses were only on a nominal scale, and the Tōkaidō highway passed directly through the space between the castle and the Kano River. The Mizuno clan retained this castle to the start of the

Meiji period The is an era of Japanese history that extended from October 23, 1868 to July 30, 1912. The Meiji era was the first half of the Empire of Japan, when the Japanese people moved from being an isolated feudal society at risk of colonization ...

, but were transferred when Numazu Domain was abolished with the creation of

Shizuoka Domain was a feudal domain under the Tokugawa shogunate of Edo period Japan. The domain centered at Sunpu Castle is what is now the Aoi-ku, Shizuoka. From 1869 it was briefly called . History During the Muromachi period, Sunpu was the capital of the ...

for the retired ex-

Shōgun , officially , was the title of the military dictators of Japan during most of the period spanning from 1185 to 1868. Nominally appointed by the Emperor, shoguns were usually the de facto rulers of the country, though during part of the Kamakur ...

Tokugawa Yoshinobu Prince was the 15th and last ''shōgun'' of the Tokugawa shogunate of Japan. He was part of a movement which aimed to reform the aging shogunate, but was ultimately unsuccessful. He resigned of his position as shogun in late 1867, while aiming ...

in July 1868 by the new

Meiji government The was the government that was formed by politicians of the Satsuma Domain and Chōshū Domain in the 1860s. The Meiji government was the early government of the Empire of Japan. Politicians of the Meiji government were known as the Meiji o ...

. The castle was then used by the

Numazu Military Academy was one of the first schools organized along western lines in Japan, and was located in Numazu, Shizuoka. Although the academy operated only from December 1868 to 1871, it made a major contribution to the development of public education in Japan. ...

, one of the first western-style public schools in Japan and a forerunner of the

Imperial Japanese Army Academy The was the principal officer's training school for the Imperial Japanese Army. The programme consisted of a junior course for graduates of local army cadet schools and for those who had completed four years of middle school, and a senior course f ...

from December 1868 to 1871. In 1873, the Meiji government ordered the dismantling of all castles and fortifications in Japan. Numazu castle was destroyed, its moats filled in, and its land sold off. The site of the castle disappeared under modern Numazu city Today almost no ruins remain at the site, except for a small park with a monument marking the site of the ''donjon'' in the inner bailey, and a small fragment of the stone walls lining part of the old moats of former Sanmaibashi Castle.

References

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External links

{{commons category-inline, Numazu Castle
Numazu city official home page
Castles in Shizuoka Prefecture Ruined castles in Japan Numazu, Shizuoka Ōkubo clan Mizuno clan