As a visitor to Kochi Castle today, you will likely enter the remaining Main Gate first, where you can also see the remaining Main Tower over there. In fact, this is a very rare spot where you can see the two kinds of remaining buildings together in Japan.
The Main Tower and Main Gate of Kochi CastleThe Main Gate
After entering the gate, you can climb on the stone steps to the Suginodan Enclosure where the statues of Kazutoyo Yamanouchi’s wife, called Chiyo, and a horse stand. These statues show that she spent her dowry to buy a fine horse for Kaszutoyo’s parade which was the chance for his promotion. You can also see the great high stone walls of the Third Enclosure above.
The stone steps to the Suginodan EnclosureThe statues of Chiyo and the horseThe high stone walls of the Third Enclosure
If you go further by climbing the stone steps, you will be at the ruins of the Iron Gate which was an important point for defense. The gate was next to the Third Enclosure and led to the Second Enclosure. That’s why the tricky system which could lead enemies to the false gate to the Main Tower, called Tsumemon, was built.
The ruins of the Iron GateThe Tsumemon Gate seen from the iron Gate Ruins
Third and Second Enclosures
The Third Enclosure is the largest enclosure in the castle where a large building for ceremonies was in the past. In addition, the stone walls of Chosogabe’s period were found there by excavation.
The Third EnclosureThe stone walls of Chosogabe’s periodThe Main Tower seen from the Third Enclosure
The Second Enclosure had another Main Hall for the lord where he usually lived, as the hall in the Main Enclosure was too small for daily life. However, the Second Enclosure is just a square now.
From the Iron Gate Ruins to the Second EnclosureThe Second Enclosure
Main Enclosure, almost same condition as original
You can finally reach the Main Enclosure by crossing the remaining Tsumemon Gate from the Second Enclosure. Surprisingly, this enclosure is in almost the same condition as its original, with the 11 remaining buildings. This is also the only spot where the original Main Tower and Main Hall remain at the same place in Japan.
Going to the Tsumemon Gate from the Second EnclosureThe buildings of the Main Enclosure seen from the Main Tower
You will need to enter the Main Hall first to reach the Main Tower as they are directly connected to each other. The hall is not large because the space of the enclosure is limited, but important ceremonies for the domain were held there.
The entrance of the Main HallThe interior of the Main Hall
The Main Tower has four layers and six stories, that means two of the stories are attics (3F and 5F). Its style is called the lookout tower type. In the case of Kochi Castle, there is the small two-layer lookout tower on the large two-layer turret with a hip-and-gable roof. The tower also has decorations like Chinese style gables and triangular shaped gables on the roof and a veranda with the lacquered handrail at the top floor. It looks traditional and very beautiful.
The map around the castle
The Enclosure which was supposed to be a Former Stable
The castle also had many dry moats dug on the mountain in both vertical and horizontal directions to prevent enemies from attacking. You can still see some of them remained.
A vertical dry moatA horizonal dry moat
The castle ruins now have many routes like network and many enclosures for stop and rest, so you can enjoy walking and relaxing as well as learning history.
Some of the routes going around the castle ruinsA view from the Enclosure which was supposed to be a Former Stable
Later History
After Okoh Castle was abandoned, the Chosogabe Clan was unfortunately fired by the Tokugawa Shogunate. The Yamanouchi Clan from Kakegawa Caste came to govern Tosa Province and lived in Kochi Castle. The remaining Ichiryo-Gusoku group suffered from the Yamanouchi high-class warriors as the low class ones during the Edo Period. However, due to their rebellious spirit, some heroes in the Meiji Restoration such as Ryoma Sakamoto and Shintato Nakaoka appeared from the low class to change Japan later.
The portrait of Ryoma Sakamoto, published in a book called Kinsei Meishi Shashin vol.2 (licensed under Public Domain via Wikimedia Commons)The photo of Shintaro Nakaoka, published in a book called Ishin Tosa Kinnoshi (licensed under Public Domain via Wikimedia Commons)
As for the castle ruins, they were first developed as a normal park with cherry trees planted. The excavation was done between 1985 and 1990. Since then, the ruins have been developing as Okoh Mountain Historical Park. They were finally designated as a National Historical Site in 2008. In addition, Kochi Prefectural Museum of History was built beside the park in 1991, where you can learn more about the castle and the Chosogabe Clan.
The monument of the castle ruins
My Impression
I recommend visiting the three Chosogabe’s home base castles at once because they are close to each other. Kochi Castle basically remains as the Yamanouchi Clan’s legacy now, but the castle’s hill still has many tiers like Okoh Castle, probably it came from Chosogabe’s period. Though the ruins of Urado Castle were mostly destroyed by modern facilities, you can still see the great ocean view of Katsurahama Beach and the famous statue of Ryoma Sakamoto nearby.
Kochi CastleKochi Castle also has many tiersThe ruins of Urado CastleKatsurahama BeachThe statue of Ryoma Sakamoto (taken by 末っ子魂 from photoAC)
How to get There
I recommend using a car when you visit the ruins. It is about 10 minutes away from Nankoku IC on the Kochi Expressway. The park offers a parking lot. If you go there from Tokyo or Osaka, I recommend going there by plane. When you get there, it’s better to rent a car as there are few buses in the area.
