Uwajima Castle, located in Uwajima City, Ehime Prefecture, Shikoku, is one of the 12 remaining Japanese castles with an original keep. Known for its small size, Uwajima Castle is relatively difficult to access, which means it is less frequented by tourists.
The castle's history dates back to 941 when initial fortifications were built on the hill. In 1236, these were expanded, and the castle was known as Marukushi Castle. The Chosokabe clan later controlled it, facing attacks from the powerful Otomo clan. In 1585, Toyotomi Hideyoshi seized the castle during his campaign to conquer Shikoku, placing his retainers in charge. The Todo clan was awarded the domain in 1595, leading to a major restoration by the renowned castle architect, Todo Takatora. The castle was renamed Uwajima in 1601, just before the Todo clan was transferred to Imabari Castle, and the Tomita clan took over.
In 1615, Date Hidemune, from the Sendai-based Date clan, was given control of the castle, with his descendants ruling until the end of the Edo period. While the basic layout of the castle remains from Takatora’s era, the Date clan completed the stone walls, gates, and yagura. The keep, built in the 1670s and designated an Important Cultural Property, is one of the smallest in Japan. Its entranceway roofing was added around 1850.
The keep's base, the Tenshu-dai, features precisely cut stones with a narrow ledge around the top, known as an Inu-michi or "Dog’s Walk." This design was due to the erosion of the softer natural stone beneath, necessitating a stronger stone cap.
Inside the keep, the third floor houses a design model from the early Edo period used for construction and repairs. Unique to Uwajima and Himeji castles are the long, thin ventilation windows on this floor, designed to vent smoke from matchlock guns. However, the keep's design hindered defensive capabilities, with the triangular roof features limiting window gun firing access and range.
Most visitors enter from the gate at the bottom of the hill, originally the main gate of the Kori clan residence. The main castle gate, Nobori-Tachi-Mon, is on the mountain's opposite side. This old Yakui-Mon gate, the largest and oldest in Japan, was built between 1596 and 1615. Unlike the typical Korai-Mon gates, this rare gate lacks reinforcing beams and a U-shaped roof.
Historically, the bottom of the hill met the ocean, providing natural protection and allowing ships to enter the castle. However, land reclamation projects since the Edo period have left the castle inland.
Uwajima Castle was abandoned in 1871, with most structures demolished by 1900. The Ote Mon, the main gate, was destroyed during WWII bombing. In 1950, the castle was designated an Important Cultural Property. Besides the keep and stone walls, the remaining Yamazato Kura, built in 1845 and relocated in 1966, serves as a simple museum.
See also
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Nagoya Castle
Nagoya Castle, originally built by the Owari Domain in 1612 during the Edo period, stands on the site of an earlier Oda clan castle from the Sengoku period. It became the centerpiece of Nagoya-juku, a significant castle town on the Minoji road, which connected two major Edo Five Routes: the Tokaido and the Nakasendo. In 1930, ownership of the castle was transferred to the city by the Imperial Household Ministry, establishing it as the focal point of modern Nagoya. Although partially destroyed in the Pacific War in 1945, the castle has undergone continuous restoration and preservation efforts since 1957.
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Matsushiro Castle
Matsushiro Castle, originally known as Kaizu Castle, is located in what was once Matsushiro town, now part of Nagano City. The site is recognized as a National Historic Site of Japan. Situated on the northern Shinano flatlands between the Chikuma River and a former riverbed that serves as a natural outer moat to the north, the castle and its surrounding town were prone to flooding due to their location.
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Fushimi Castle
Fushimi Castle, also known as Momoyama Castle or Fushimi-Momoyama Castle, is located in Fushimi Ward, Kyoto. Originally built by Toyotomi Hideyoshi between 1592 and 1594 as his retirement residence, the castle was destroyed by the 1596 Keichō–Fushimi earthquake and later rebuilt. However, it was demolished again in 1623, and its site now houses the tomb of Emperor Meiji. A replica of the castle was constructed nearby in 1964.
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Odawara Castle
Odawara Castle, located in the city of Odawara, Kanagawa Prefecture, Japan, is a reconstructed historical site with roots dating back to the Kamakura period (1185–1333). The current donjon (main keep) was rebuilt using reinforced concrete in 1960 on the stone foundation of the original structure, which was dismantled between 1870 and 1872 during the Meiji Restoration.
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Shinpu Castle
Shinpu Castle was a Japanese hirayama-style fortress from the Sengoku period, situated in what is now Nirasaki, Yamanashi Prefecture. It served as the main stronghold of warlord Takeda Katsuyori. Designated as a National Historic Site in 1973, the castle occupies a strategic position on a mountain with steep cliffs, overlooking the Kamanashi River to the west of Kofu, where Takeda Shingen’s Tsutsujigasaki Castle once stood.
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Takato Castle
Takato Castle, located in the city of Ina in southern Nagano Prefecture, Japan, was a notable stronghold during the Sengoku period. By the end of the Edo period, it was the residence of a cadet branch of the Naito clan, the daimyo of the Takato Domain. Also known as Kabuto Castle, it was originally constructed in the 16th century and is now mostly in ruins.
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Takatenjin Castle
Takatenjin Castle was a yamashiro-style fortress from Japan's Sengoku period, situated in the Kamihijikata and Shimohijikata districts of Kakegawa, Shizuoka Prefecture. Designated a National Historic Site in 1975, with an expanded protected area in 2007, its ruins remain a significant historical landmark.
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Yoshida Castle
Yoshida Castle is renowned worldwide, particularly through the intricate woodblock prints by Edo Period artist Hiroshige. His famous series, depicting the 53 stages of the Tokaido—the historic route between Kyoto and Edo (modern-day Tokyo)—includes the 34th print, which shows workmen repairing a castle overlooking a wooden bridge crossing a wide river. This scene captures the Toyokawa River at Toyohashi in southeast Aichi Prefecture, and the castle is Yoshida Castle.
