Hideyoshi Toyotomi – ページ 14 – 日本200名城バイリンガル (Japan's top 200 castles and ruins)

121.Motosakura Castle Part1

The castle of the Chiba Clan, an illustrious clan in Kanto Region

Location and History

Chiba Clan built it in 15th Century

Motosakura Castle was a large castle which was located in Shimosa Province (what is now the northern part of Chiba Prefecture). A warlord, Suketane from the Chiba Clan, first built the castle at latest in 1484 on a hilly area called Masakado-yama. The area was surrounded by Inba-numa Lake, and only open to the Shimosa Road on flat land in the southern direction. This meant the area was defensive and convenient for water and land transport.

The map around the castle in the early Meiji Era, Inba-numa Lake was still near the castle

The Chiba Clan’s family crest, Gessei or Moon and Star *(licensed by Los688 via Wikimedia Commons)*

Central portion, Inner Compounds.

When the castle was first built, the warlords in the Kanto Region were split into two groups, the western group and the eastern group. The western group was led by the shogunal deputy for the Kanto Region, the Uesugi Clan, and the eastern group was led by the head of the Kanto government in Koga, the Ashikaga Clan. The Chiba Clan was included in the eastern group and the Motosakura Castle was also an important site which connected Koga in Shimosa Province to the other provinces in Boso Peninsula inside the group. The clan built several enclosures in the central portion of the castle called the Inner Compounds.

The location of the castle

The Main Enclosure called Shiro-yama had the Main Hall for the lord of the castle. The hall had a set of two formal buildings called Shuden and Kaisho, because the clan was the governor of the province. The Okuno-yama enclosure, which had the Myoken Shrine where the clan went for worship, is next to the main enclosure on the west. The Okuno-yama enclosure was connected to the Main Enclosure by a wooden bridge . The next one is the Kura-ato Enclosure which had warehouses. The westmost one is the Settei-yama Enclosure which was used for guesthouses. In addition to these enclosures, the Higashi-yama Enclosure was set to protect them, and the Tokoji-byo Enclosure, which had temples, faced Inba-numa Lake.

The enclosures of the Inner Compound (from the signboard at the site)

Outer Compounds were built against Satomi Clan

In the middle of the 16th Century, the situation of the Kanto Region changed. The Hojo Clan captured most of the region, then the Chiba Clan decided to support Hojo by adopting a son from them. However, the Satomi Clan in Boso Peninsula (the south of Honsakura Castle) was against Hojo. As a result, the Chiba Clan had to reinforce the defense of the castle on the south.

The location of Motosakura Castle and the home base of the Satomi Clan

The clan built large enclosures outside the Inner Compounds, called the Outer Compounds such as Araue, Negoya, and Mukai-Negoya. They were surrounded by thick earthen walls and had the sticking out defensive positions called Umadashi, which were built using Hojo’s techniques. In addition, the Settai-yama Enclosure became the pivot of the defense because it was the connecting point between the Inner Compounds and the Outer Compounds. The range of the castle finally reached 39,000 square meters.

The whole image of the castle including the Outer Compound *(from the signboard at the site)*

However, The Chiba Clan was fired by the ruler Hieyoshi Toyotomi in 1590, as their master Hojo Clan was also defeated by Hideyoshi. After that, Motosakura Castle was sometimes used by several clans. The castle was finally abandoned in 1615.

The Portrait of Hideyoshi Toyotomi, attributed to Mitsunobu Kano, ownd by Kodaiji Temple (licensed under Public Domain via Wikimedia Commons)

To be continued in “Motosakura Castle Part2”

149.Komakiyama Castle Part1

The castle had a very short life but rich history.

Location and History

Nobunaga’s Foothold

Komakiyama Castle was located on an 86m high mountain called Komakiyama, on Nobi Plain in Owari Province, what is now the western part of Aichi Prefecture. The mountain had no castle until Nobunaga Oda built a castle on it in 1563. The reason for it was that he wanted to move his home base from Kiyosu Castle in now Nagoya City to this castle. He aimed to capture Inabayama Castle, what is now Gifu City, which the Saito Clan owned at that time. Komakiyama was much closer to Inabayama than Kiyosu. However, it was very rare for warlords and their retainers to move their home to another. They always continued to live in places where their ancestors had been.

The location of the castle

The portrait of Nobunaga Oda, attributed to Soshu Kano, owned by Chokoji Temple, in the late 16th century (licensed under Public Domain via Wikimedia Commons)

Three Distinct Features

Komakiyama Castle by Nobunaga had three distinct features. First, the Main Enclosure or Honmaru on the top was surrounded by stone walls made using huge stones. Some of the stones were carried from another mountain. At that time, building stone walls for castles was rare, and there was likely no other case like Komakiyama. It was one of the earliest examples of using stone walls as a show of authority.

The remaining stone walls on the mountain

Secondly, the castle had two residences for the lord, one was on the mountain, the other was at the foot. Other warlords who had a mountain castle also often had two residences. They usually lived in the one on the foot and used the one on the mountain when a battle happened. However, in the case of Nobunaga, he seemed to live in his residence on the mountain. He might have considered the mountain as a special place. Another similar example can be seen in Gifu Castle, his next home base.

Lastly, the Main Route went straight from the foot to the mid-slope of the mountain like Azuchi Castle, his last home base. It was abnormal for other warlords to have such a route on the mountain, because it was not defensive. The reason is still unsure, but it must have depended on Nobunaga’s idea. In addition, its castle town was built in an advanced way in an area where nothing existed prior. The town was divided orderly to accommodate warriors, merchants, and craftsmen separately. Such a way to develop castle town is commonly seen in those in the next century.

The miniature model of the castle town distribution at the site

Ieyasu’s Stronghold

The life of the castle by Nobunaga was just four years, as he was successful in capturing Inabayama Castle in 1567. He moved his home base again to Inabayama castle and renamed it Gifu Castle. Komakiyama Castle was abandoned right away. In 1584, the castle was reused by Ieyasu Tokugawa when he fought with the ruler Hideyoshi Toyotomi in the Battle of Komaki and Nagakute. Ieyasu reinforced earthen walls and dry moats surrounding the castle to establish a stronghold there against Hideyoshi at Inuyama Castle. This battle resulted in a dead heat and Ieyasu showed his great presence towards the founder of the Tokugawa Shogunate later.

*The Portrait of Ieyasu Tokugawa, attributed to Tanyu Kano, owned by Osaka Castle Museum (licensed under Public Domain via Wikimedia Commons)*

To be continued in “Komakiyama Castle Part2”

40.Yamanaka Castle Part1

The castle for the western defense of the Hojo Clan

Location and History

Western Defense for Hojo Clan

Yamanaka Castle was located on the west of Hakone Barrier, the western gateway of Kanto Region, now in the eastern part of Shizuoka Prefecture. The castle was first built in the middle 16th Century during the Sengoku Period by the Hojo Clan, who owned Kanto Region. The clan aimed to protect their home base, Odawara Castle on the eastern side of Hakone Barrier, by building Yamanaka Castle. This castle was also improved before the ruler, Hideyoshi Toyotomi, attacked the Hojo Clan in 1590.

The location of the castle

Yamanaka Castle was built surrounding the Tokaido Road, one of the major roads in Japan. During that time, if someone walked up the slope on the road from the west, it would require passing through the castle. The road was actually on the Third Enclosures of the castle, and beside the Main Enclosure. The Third Enclosure also had water moats on the west to prevent enemies’ attacks and was for the water reservoir.
On the south of the Third Enclosure, a long defense strongpoint called “Taizaki-demaru” spread with the road parallelly. On the west of the Third Enclosure, the Second Enclosure, the West Enclosure, and the West Turret were added towards that direction. These enclosures were able to work closely to prevent attacks from enemy forces.

The location map of the ruins of Yamanaka Castle (from the signboard at the site)

Hojo’s Unique Methods for building Castle

The techniques used in the castle were unique to the Hojo Clan. All the enclosures were made of earthworks, using natural terrain such as ridges and valleys. They were mainly connected by wooden bridges which could fall down when a battle happened. They were also divided by deep dry moats whose bottoms were left parallel or as latticed ridges. The method for building the moats is called “Une-bori” for the parallel ridges and “Shoji-bori” for the latticed ridges. These dry moat building methods are considered features of the Hojo’s castles. Once soldiers fell into the moat, they couldn’t move from there at all. The area of the castle reached about 200,000 square meters. Hojo thought the castle could make Hideyoshi stuck for a while.

Fall in Battle of Yamanaka Castle

However, the castle was captured by Hideyoshi in just half a day. In the early morning, March 29, 1590, nearly 70,000 soldiers of Hideyoshi’s troop started to attack the castle, while the number of the defenders was only about 4,000. The attackers first charged both the West Turret and the Taizaki-Demaru defense strongpoint, but they suffered a significant number of casualties by the counterattack of Hojo’s guns. If it was a local battle, the attacker might have paused the charge to prevent more damages. However, the commanders forcibly continued to charge, otherwise, they might have been fired by the ruler. That resulted in the success of capturing the castle for Hideyoshi in exchange for a lot of dead soldiers including one of the Hideyoshi’s commander, Naosue Hitotsuyanagi.

This battle lasted for a few hours. It is said that another reason for the short battle was that Hojo’s soldiers were confused because their head, Ujikatsu Hojo, escaped from the castle. Others point out that the Taizaki-Demaru defense strongpoint was unfinished in construction before Hideyoshi’s attack. Anyway, even such a strong castle couldn’t survive without enough soldiers and the right instructions.

To be continued in “Yamanaka Castle Part2”