Complete guide to the history and highlights of Iwao Castle – Feihou, Tanba, and Xinhuan three castles explained
Iwao-jo (Iwao-jo) is a mountain castle built in various parts of Japan from the period of war to the beginning of the period of war. In addition, it is important to have the same name as Iwao Castle, which is the same name as the province of Hihou (now Kumamoto), Tamba province (now Beijing), and Toshoken, and has played an important role in historical capitals in their respective regions. Full text of the main text includes three-dimensional Iwao Castle, comprehensive commercial history, structure, change of owner, and current visitor information.
Memories
- Is this Iwao Castle? – Overview of Sanza Iwao Castle
- Iwao Castle, Kumamoto Province (Kumamoto Yamato Town)
- Iwao Castle, Tamba Province (Tamba City)
- Iwao Castle in Nobuaki Province (Takunosaku City)
- Yamashiro Special Expedition
- Visitor guidance and communication information
- History of Iwao Castle
Is this Iwao Castle? – Overview of Sanza Iwao Castle
Iwao Castle means “rock spine”, which is the common name for a mountain castle built on topography. There are many Iwao castles all over Japan, but there are only three main castle ruins that are still perfectly preserved and have a series of historical monuments.
Iwao Castle in Feihou Province A mountain castle owned by the A-su family and built by Takatada A-su. This is a designated historic site in Yamato Town. Iwao Castle in Tanba Province was the residence of the Wada clan, and was later conquered by Akechi Mitsuhide and fell to Tanba. Iwao Castle was built by the Yui Oi clan in the Shinshu Province, and later served as the lord of the castle by Yukitaka Sanada, and is currently designated as a historical site by the Nobunaga clan.
Naturally, the construction dates of the fortifications are different for each castle lord, but the capital has one common feature: the castle was built in the time of the war, and the capital was a restricted area.
Iwao Castle in Kumamoto Province (Kumamoto Yamato Town)
Location summary
Iwao Castle in Hihou Province is Ichiza Yamashiro, Yamato Town in Kamishiki District, Kumamoto Prefecture. The purpose of construction was to serve as a defense outpost for the Asu clan in times of emergency.
The castle fort was built in the mountainous area of Uzaki-ku, Yamato Town, and the castle was skillfully used for defense work on the natural topography. The fort’s inner mountain spine is distributed, and the natural defensive barrier is formed in the mountains of the city.
Master of History
The precise construction date is not clear, however, it is believed that it was built by Asu Takatada. The Asu clan was a powerful local owner of the country, and was also the chief priest of the Asu Shrine.
Iwao Castle was built as a defensive fortress during the reign of the Asu clan, and played an important role in securing the area. During the time of the war, from the beginning to the end of the Asu clan’s full power, even after the Japanese vassal Hideyoshi conquered Kyushu, it still existed for a period of time.
Nowadays, Iwao Castle is a designated historic site in Yamato Town, and it is a rare historical site that has been preserved as a medieval castle site.
Iwao Castle, Tanba Province (Tamba City)
Construction period of the Yowada clan
Iwao Castle in Tanba Province is currently located in Wada City, Yamanami Town, Tanba City, and is located in the mountain castle of Yaoyama Mountain, 358 meters in sea. Built in 1516 by Iwao Castle, the fifth generation owner of the Yuwada clan, Wada Hyuga no kami Narusei.
The Wada family is a strong family in Tanba Province, with a stronghold in Iwao Castle and surrounding areas. In 1548, he passed away due to illness, and his son, Wada, became the castle lord (guard) and became the lord of the castle.
Akechi Mitsuhide’s expedition to Tanba and Iwao Castle fall
In the 7th year of Tensho (1579), Akechi Mitsuhide’s mission was to completely invade Tanba Province. Mitsuhide’s conquest of Tanba was ferocious, and the castles of Tanba within Kuroi Castle were attacked in a continuous manner.
Iwao Joya’s attack plan for Mitsuhide’s army was the most intense after the battle. As a result of the establishment of the Wada clan, Iwao Castle was placed in the hands of the Wada clan.
Eisuke Sano Iwao Castle progress maintenance
In 1586 (Tensho 14), Sano Keiyu acquired a 3,750-koku fief in Omi Province, and Iwao Castle was extensively renovated. General Lengyou took the seat of medieval Xishan Castle, rebuilt the modern castle fort, repaired the Tsukushi tomb and built the inner temple.
At the time of the Sano clan’s restoration, Iwao Castle was demolished and the current castle fort was occupied by Seiichiza in 1597. This is a part of the fortress heavy organization planning before the “one country, one castle” law that governs the government and vassals.
Construction and construction
Iwao Castle is a Tashiro mountain castle built on the mountain spine, and the main castle is built with a multi-internal temple. It should be noted that the stone tombs surrounding the Nishinomaru (West Castle) were built during the construction of the castle, which was built during the modern construction period.
A treasure trove of historical materials from the construction of castle forts in the Tamba area from the time of the War to the early modern period. In recent years, it has been possible to see the area around the Nishinomaru (Saijo) stone citadel, the area around the stone citadel, and the area of the enshrined stone citadel.
Since it was closed in 1597, Nishinomaru Castle has been in use for more than 400 years, but it has not been extensively rebuilt, but most of its original appearance has been preserved, and it has earned the honor of being “Tamba’s most beautiful mountain castle.”
Iwao Castle, Nobunokuni (Tsurinosaku City)
Built by Mr. Yu Oi
The location of Iwao Castle in Nobuaki Province is Iwao, Narumi Iwao, Saku City, which is Ichiza Yamashiro. Built in August 1478 by Yukitoshi Oi (Yoshiaki Yukitoshi), a branch of the Oi clan, the Oi clan was a descendant of the Seiwa Genji Ogasawara clan.
Iwao Castle is a strategic strategic point: the top of the cliff, the Chikuma River in the north, the 汤川 in the south, the sea distance approximately 660 meters, the altitude approximately 25 meters. An important military fortress in the Saku area, an important military fortress in the Saku area.
Mr. Oi is a powerful local owner of the Saku district, has considerable strength, and has a large number of castle ponds in Iwao Castle. After Yukitoshiyuki Oi, the Oi clan’s rule continued, and Iwao Castle was the important position of the Oi clan, leading to the rise of Oi.
Takeda Shingen’s conquest and Yukitaka Sanada
In September 1543 (Tenbun 12), Takeda Shingen (then known as Harunobu) of Kai Province entered the Saku area. After the invasion of Shingen, Iwao Castle was occupied by Yoshitaka Oi’s Nagakubo Castle, and the Takeda clan took control of the Masaku area.
Conquered Iwao Castle, and Shingen appointed Yukitaka Sanada (Yukitaka) as lord of the castle. Yukitaka Sanada was a senior vassal of the Takeda clan, based in Iwao Castle, in the Sojisaku area.
It’s interesting to say that Yukitaka Sanada’s two children are Masateru Sanada (brother of Shinshu) and Masayuki Wasanada (later lord of Ueda Castle), born in Iwao Castle. After Masayuki Sanada came to Japan, he played an important role as a vassal of the Tokugawa shogunate, and was recognized as a fundamental figure in the Sanada family.
Iwao Castle Battle Yoyoda Nobuaki
In 1582, Nobunaga Ikuda died in “Honnoji no Kano” Chua, the Takeda clan died, and Tokugawa Ieyasu was in Hojo Ujimasa and Nobuaki Kuni was in a battle of power. During the current stage of development, Yoda Nobuaki (Nobuaki), a supporter of Tokugawa Ieyasu, was moving forward with the establishment of Iwao Castle.
Tokugawa Ieyasu, the owner of the Saku district, Yoda Nobutomo, was a member of the Hojo clan, and was a member of the Hojo clan. In the end, he died during a battle near Iwao Castle. This battle is one of the most important events in the history of Iwao Castle.
Construction features
Iwao Castle is a mountain castle in the country of Shinshu, which is fully utilized due to its natural topography such as the river flow of the river. The place is located on a plateau between the Chikuma River and the Watanabe River, with a three-faced cliff, a natural fortress.
The castle has many outer forts, and the castle has reinforced defenses with Kawa earthworks. The height of the fortress was 25 meters, and the height of the castle was 25 meters, but the river flow in the surrounding area was composed of cliffs, and the defense line was solid.
Mountain fortress special expedition
The common feature of Iwao Sanza Castle Pond is that it is a mountainous castle fortress, and the use of the natural terrain and construction and defense works on the beautiful land.
Yamasae Yohaku Cloth Bureau
The basic structure of the fortress in the mountainous area, the main castle grounds (honmaru), the western castle grounds (cars), and the mountainous spine arrangement. The field is flat ground, where you can use the construction and construction of the military. Iwao Castle’s construction site, connected to the mountainous backbone of the castle.
Hijikata construction work
Preventing the invasion of enemies, and digging up the mountains and rivers. As the river passes through the river, the mountain passes deep into the mountain, the development of important defense works, and the advancement of the enemy. In addition, the construction of the surrounding area has been completed and the defense capacity has been increased.
The mud pile was used for construction work, and the burial mound was made of mud. In Iwao Sanza Castle, it is possible to reach the castle in Kawa Hijikata’s clear and clear history.
Stone burial structure
This is especially true for Iwao Castle in Tanba Province, during the period when General Keio Sano was in the process of rebuilding the modern castle fort, and completed the construction of a stone tomb. The stone wall is stronger and the defense ability is stronger. The existing stone tombs around Nishinomaru (Xicheng) are rare cultural artifacts, and the stone technology was exhibited at the time.
The stone tomb of Iwao Castle has been completed, and the history of the castle fort in the medieval mountainous area and the modern castle fort have been traversed through the history of the castle.
Sea altitude
The height of the sea level (the height of the castle basis) is an important indicator of the ability to defend the fort in the mountainous area. The distance of Iwao Castle in Tanba Province is 358 meters, and the distance of Iwao Castle in Tamba Province is approximately 660 meters, and the altitude of the castle reflects the local topography.
It is said that the cooperation is very high, and the extent of the cooperation of Iwao Castle in Xinhuan Province is low, about 25 meters, but the river flow of the river in Zhouyuan has formed a natural defense barrier, and the envoy has a very high defense ability.
Tourist guidance and communication information
Iwao Castle, Hihou Province (Kumamoto Uyamato Town)
Point: Yamato-cho, Kamishiki-gun, Kumamoto
Designation: Yamato Town designated historical monument
Transportation: You can easily reach Yamato Town center by car. Fortress in front of Dongyanshan Road.
Bright spots: Medieval Xishan Castle Ruins, Comprehensive Outer Fortress, Zhucheng River, etc.
Iwao Castle, Tamba Province (Hyogo Tamba City)
Point: Wada, Yamanami-cho, Hyogo, Tanba City
Nori: 358 rice
Transportation: Wada Elementary School name. The entrance to the city fort is located behind Uwada Elementary School. Yu Yue general drills the school, please pay attention to the school teaching staff.
Climbing time: Approximately 30-40 minutes per hike
Right point: Nishinomaru Castle Mound, Kōjōgawa, Hijikata Construction Wa Outer Fort. The recent continuation of the editing, and the further exploration of the castle.
Difficulty: It is easy to climb the mountains and mountains, and it is suitable for beginners and elderly people. The height of the sea is high and the ruins of Kurojing Castle are mutual, but the climbing route is in good condition.
The fortress of Yuda Castle in Tamba City is currently in ruins, and the site of Kuroi Castle is famous for its fame, and the site of Iwao Castle is also honored as “Tamba’s most beautiful mountain castle”.
Iwao Castle, Nobunokuni (Takunosaku City)
Point: Iwao, Narimo-gun, Saku City
Sea level: Approximately 660 meters (altitude approximately 25 meters)
Designation: Designated by Tsunade Tsuno
Transportation: Enter the Minamikoya area of Kakusaku City. On the plateau between the Chikuma River and the Watanabe River.
Highlights: Construction of Yishan, outer fort, construction of Kawa Castle. The cause of Yukitaka Sanada’s love affair with the Sanada family.
Visitor knowledge
Owned by Iwao Castle, a fort in the mountainous area, the following matters should be noted:
- Wear: Designed clothing, climbing shoes or walking shoes
- Carry items: Drinking water, wool, mosquito rags (summer)
- Weather：Rainy weather or wet ground after rain, walking cautiously
- Time: Time required to complete the tour, after arriving in Japan before descending from Mt.
- Courtesy of: If you want to protect the history of the city, please take a look at the history of the museum, and read the history of the museum.
Iwao Castle Surrounding History Incident
Akechi Mitsuhide Conquest Tamba
The fall of Iwao Castle in Tamba Province was a part of Akechi Mitsuhide’s conquest of Tamba. Started in 1575 by Mitsuhideu, conquered Tamba, and completed basic construction in 1579. During this period, the main forts in Tanba Province, Nyokuroi Castle, Yagami Castle and Iwao Castle, were conquered.
During the battle of Iwao Castle, Wada no kami resisted, but in the end, the castle was attacked by Mitsuhide’s army. The victorious envoy, Mitsuhide, established the restraints in Tanba Province, and the next day he moved to the Honnoji temple and established the foundation.
Sanada clan and Iwao Castle
Iwao Castle, located in Nobuaki Province, is a source of deep access to the Yosanada clan. Excluding Yukitaka Sanada, who was the lord of the castle, Masayuki Sanada was born, but this story also has special meanings for the Sanada clan.
After Masayuki Sanada completed the construction of Ueda Castle, it was the most powerful military force in the world, and during the First and Second Ueda War, he retired and became the great army of the Tokkawa Shogunate. Iwao Castle is Masayuki Sanada’s place of birth, and the history of the fort is further enhanced.
Historical background of Yingbian City Fort
Sanza Iwao Castle Junior High School, Iwao Castle in Tamba Province was built in 1597. This is a part of Hideyoshi’s castle and pond adjustment policy.
During the War, many forts were built in various parts of Japan, but due to the national progress, the government’s policy was to continue, and the forts were very important. This is the result of this one move.
After the expansion, the basic original appearance of Iwao Castle was maintained, and although it had not undergone any major renovations, the fort structure was preserved in the early modern period until after the end of the war. This is the history of Iwao Castle.
overview
Iwao Castle is distributed throughout Japan, and three of them are Hihou Province (Yamato Town, Kumamoto), Tanba Province (Tamba City, Pyongyang City), and Washinhu Province (Saku City, Nagano City), which are currently on hold.
Iwao Castle in Hihou Province was the position of the Asu clan; Iwao Castle in Tamba Province was completed, and the Wada clan arrived at the Sano clan’s world, and the end of the light came to light. Chi Mitsuhide’s attack and divination in Tanba; Shin’en country’s Iwao castle was an important point for the troupe, and after that the Oi clan left the Takeda clan, and the second one ran Yukitaka Sanada.
Owned by a small castle fort, the unique structure of a mountain castle, such as mountain spine, 护城川, earthworks and outer fort, excellent use of natural landforms, and defensive functions. As a result, it was originally Iwao Castle in Tanba Province, and the stone tomb was built during the course of its revision and construction, and it is a rare historical document that was developed during the transition period from the medieval period to the early modern period.
At present, the construction of Iwao Castle will be completed, the local history will be preserved, and the tourist attraction will be opened. It is a historical mountain fort in the country where you can experience the work, and the historical heritage of the working area, Iwao Castle is a cultural asset that protects the soul. People who love the fortress in Guangyu, people who love history, and people who love traveling, come and visit Iwao Castle, which is a first-order experience for the first time.
