Yamato Koriyama Castle: The Ruins of Nara’s Largest Castle

A first-time traveler to Nara might assume that the best, if not the only, place to visit is Nara City. While there are a great many exciting things in Nara City, the whole of Nara Prefecture is ripe with plenty of attractions worth exploring. Notably, is the historic nearby town, Koriyama City. Well-known throughout Japan for raising goldfish it is also the home of Nara’s biggest castle, Yamato Koriyama Castle. Dating back to the Sengoku Period, this castle has been able to preserve many of its moats and trenches, as well as its unique walls. To top it off, Koriyama Castle’s large number of cherry blossom trees make the castle grounds truly breathtaking every spring.


Yamato Koriyama Castle

After Oda Nobunaga seized control of the Yamato region in 1580, Tsutsui Junkei built Koriyama Castle. Temples have long ruled this land, and their influence is still felt here. Toyotomi Hideyoshi’s brother Hidenaga was the one who laid the groundwork for Koriyama to flourish as a castle town. After expanding the castle grounds in 1585, the town really began to prosper with the arrival of  Yanagisawa Yoshiyasu, an agent of the Tokugawa shogunate. During the Edo Period Koriyama hub for trade and commerce. The town’s reputation for making sake and lacquerware also helped to fuel its economic development. However, Koriyama sustained serious damage during World War II and required a lot of repairs. Despite this setback, the town has survived and is still thriving.


Exploring Yamato Koriyama Castle

Koriyama Castle is easily accessed from Kintetsu Koriyama Station, which is just a 10-minute walk away from the castle. You can even get a glimpse of the castle from the train. From the entrance of Yanagisawa Shrine, it takes only a few minutes to reach the main keep. Just walk north from the station of pass through Tetsugomon Gate. For the best experience, make your entrance through Ottemon Gate— the main entrance to the castle.

Kintetsu Line and Yamato Koriyama Castle.
Kintetsu Line and Yamato Koriyama Castle.
Site of Yamato Koriyama cherry blossom festival
There is a cherry blossom festival here every year.
Torii of Yanagisawa Shrine. It is only a few minutes from here to the castle.

There are numerous towers around Otemon Gate. There are multiple connected turrets surrounding the main gate, creating the impression that the castle is well-defended against intruders.

The moat of Koriyama Castle.
Yamato Koriyama Castle's Otemukai Turret in the spring time.
Otemukai Turret. One of the most piqtureque sites at Koriyama Castle.
Higashi-sumi Turret of Koriyama Castle
Higashi-sumi Turret
Otemon Gate. This is the main gate!

If you go to Koriyama Castle during the cherry blossom season, the area near Otemon Gate is quite stunning. A path runs alongside the castle moat as well. By the moat, there are so many sakura blossoming. Having access to both the castle and the sakura at the same time is really fantastic.

Few visitors this year in part because of covid, and also because we got to the castle very early in the morning.
The cherry blossoms are so pretty! It is also curious the moat is empty here.
The path along the mote
By the way, when it comes to Koriyama, goldfish are really popular!

Once you cross Gokurakubashi Bridge, and pass Yanagisawa Shrine, (which enshrines Yanagisawa Yoshiyasu) you will reach the site of the former main keep!

Recently reconstructed Gokurakubashi Bridge of Yamato Koriyama Bridge
Recently reconstructed Gokurakubashi Bridge.

The Keep

Regrettably, the keep of Koriyama Castle is no longer standing, but a portion of the keep’s stone wall is still standing. Though it might not seem like much you can find one of the most interesting features of the castle; its stone walls. While he was finishing the expansion of Koriyama Castle, Hidenaga ran out of materials. In order to complete the project, he sourced stones from wherever he could get his hands on them. His solution involved using Buddhist gravestones and even jizo statues! This technique, called tenyo-seki, is very uncommon and there are few places you can find them.  Actually, Koriyama Castle, along with Fukuchiyama Castle, offers the best examples of tenyo-seki in all of Japan.

Can you find a gravestone in the picture?

For a long time, historians believed that Koriyama Castle did not have a main keep at the beginning. This was due to the absence of photos, paintings, or mentions of it in historical writings. However, recent excavations of foundation stones have revealed that the castle did indeed have a six-story keep. Findings from the excavation also confirm of the keep was destroyed during the Sekigahara War. The analysis of the site also strongly indicates that the keep was only a few decades old before its destruction. Although the keep is no longer present, the area where it once stood is now an observation deck that offers a breathtaking view of the entire Nara basin. It’s possible that the old warlords who occupied this castle kept a close watch on the large temples from this vantage point to prevent any rebellions against the government.

The former site of the keep of Yamato Koriyama Castle
The former site of the keep
You can see the foundations stones
View of the castle grounds from the observation deck.


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