78.Marugame Castle Part1

A castle covered with great stone walls with advanced technology

Location and History

It starts as Branch of Takamatsu Castle

Marugame Castle was located on a mountain called Kame-yama which means tortoise mountain in the western part of the Sanuki Plain of Sanuki Province (what is now Kagawa Prefecture). The part of the plain has several mountains that stood out like a projection, for example, Ino-yama Mountain is known for its beautiful appearance as Sanuki-Fuji. Kame-yama Mountain is one of the mountains and much lower than the Sanuki- Fuji ( 66m vs 422m), but was more convenient for the warriors to build a castle on it.

The location of the castle

The relief map around the castle

The Sanuki- Fuji

It is said that the Nara Clan first built a fortress on Kame-yama Mountan, but a castle named Marugame Castle was built on the mountain by the Ikoma Clan in 1597. The Ikoma Clan governed Sanuki Province under the Toyotomi Clan and the Tokugawa Shogunate later between 1587 and 1640. Marugame Castle was a branch castle of Takamatsu Castle which was the home base of the Ikoma Clan. However, Marugame Castle was once abandoned in 1615 in accordance with the Law of One Castle per Province by the Tokugawa Shogunate. The castle had unfortunately been destroyed as we found the wreckage of the old stone walls when the excavation was done.

The portrait of Chikamasa Ikoma, the founder of the clan, owned by Kokenji Temple (licensed under Public Domain via Wikimedia Commons)
Takamatsu Castle

Rebuilt by Yamazaki Clan and Kyogoku Clan

After the Ikoma Clan was transferred to another due to their internal trouble in 1641, the Yamazaki Clan was given the western part of Sanuki Province by the Tokugawa Shogunate. The Yamazaki Clan was allowed to rebuild Marugame Castle for their new home base. They built the high stone walls with three tiers covering all around Kame-yama Mountain. The stone walls were also built with advanced technology and very valuable because building a new castle was basically not allowed at that time. The re-construction continued for 30 years. The Yamazaki Clan was unfortunately fired by the Tokugawa Shogunate in 1657 during the construction because they had no successor. The Kyogoku Clan following the Yamazaki Clan completed the construction building the Main Tower by 1663.

The Main Tower and high stone walls of Marugame Castle
The portrait of Takakazu Kyogoku, who was transferred to Marugame Castle, owned by Marugame Municipal Archives Museum (licensed under Public Domain via Wikimedia Commons)

It looks like Stone Fortress

The final appearance of Marugame Castle was as the following. The Main Enclosure, the Second Enclosure and the Third Enclosure were on the mountain. All the enclosures were surrounded by the stone walls making the very high ones stick together. The Main Enclosure, which was at highest, had the Main Tower and the four Corner Turrets connected with the roofed passages called Tamon or the mud walls. The Second and Third Enclosures were below the Main Enclosure and they also had several turrets. The Inner Moat surrounded the mountain, the Main Gate was just inside the moat in the north, and the Back Gate was in the south. In addition, warriors’ houses were built outside the Inner Moat and were also surrounded by the Outer Moat.

The miniature model of Marugame Castle, exhibited by Marugame Castle Main Tower
The Main Gate and Inner Moat of Marugame Castle
Part of the illustration of Marugame Castle in Sanuki Province, in the Edo Period, exhibited by the National Archives of Japan

The Kyogoku Clan governed Marugame Castle and the Marugame Domain until the end of the Edo Period. In fact, the lord of the castle lived in the Main Hall at the foot of the mountain. That was a common way for the lords of the castles in peaceful time. Anyway, Marugame Castle must have looked like a stone fortress.

The ruins of the Main Hall at the foot of the mountain (taken by あけび from photoAC)

To be continued in “Marugame Castle Part2”

135.Masuyama Castle Part3

Tonami City develops the ruins very well.

Features

Second Enclosure, Center of Castle

You will finally reach the Second Enclosure which had the only stone walls in the castle. They are more difficult to see now with the signpost saying the ruins of the stone walls.

The ruins of the stone walls
The entrance of the Second Enclosure

The enclosure is the largest and the highest positioned enclosure in the castle, and it is surrounded by the thick earthen walls. For these reasons, historians have often speculated that this enclosure was the main one of the castle, though it is traditionally called “The Second Enclosure”.

The map around the Second Enclosure (from the location map at the site)
The earthen walls surrounding the Second Enclosure
The inside of the Second Enclosure

The enclosure also has a mound called Shorodo or the ruins of the Bell Tower where a miniature version of the bell is built now. A turret was most likely there. You can see the next enclosure called the Ajichi Residence over the large deep dry moat form the mound.

The ruins of the Bell Tower
The miniature version of the bell
The Ajichi Residence that can been seen over the large deep dry moat
Looking down the dry moat

Later History

After Masuyama Castle was abandoned, the Kaga Domain owned the ruins of the castle and planted cedar trees during the Edo Period. The cedar trees have been known as the Masuyama Sedars. Tonami City which now owns the ruins started to investigate them in 1987 and excavated them between 1997 and 2003. As a result, the ruins were designated as a National Historic Site in 2009. The city has been developing the ruins as a historical site so that visitors can visit them more easily.

The miniature model of the castle ruins, exhibited by Tonami City History and Folklore Museum

My Impression

I think that the ruins of Masuyama Castle are very good study materials for visitors to learn more about what mountain castles were. If ruins of a mountain castle were left alone, it would return to its natural form. Trees and bushes would grow thick and the structures of the castle would collapse. That means visitors are often not sure what the mountain castle looked like or visiting the ruins can be dangerous. However, in the case of Masuyama Castle, Tonami City has developed the ruins to make it easier for visitors to learn more information. For example, bushes are always cut alongside the route. Simple wooden fences and the signboard are built at each enclosure. Therefore, visitors can understand what the layout of the castle would have been and how the defenders would have protect themselves. That’s why I recommend visiting the ruins.

The developed Uranagi Route
The wooden fences built in the F Enclosure
The signboard of the F Enclosure
Looking down the F Enclosure from the Umanosego Enclosure

How to get There

I recommend using a car when you visit the ruins.
It is about 20 minutes away from Tonami IC on the Hokuriku Expressway.
You can park at the information center (Masuyama Jinya).
If you want to use public transportation, you can take a taxi from Tonami Station.
To get to Tonami Station from Tokyo: Take the Hokuriku Shinkansen super express and transfer at Shin-Takanoka Station to the Johana Line.

That’s all. Thank you.
Back to “Masuyama Castle Part1”
Back to “Masuyama Castle Part2”

135.Masuyama Castle Part2

You can learn a lot about mountain castles there.

Features

Going to Castle Ruins through Uranagi Route

Today, the ruins of Masuyama Castle have been well developed for visitors. There are two trails to visit the ruins, but I highly recommend using the Uranagi Route. This is because there is an information center called Masuyama Jinya with a parking lot near the route. If you park there and walk to the entrance of the route, you will see an interesting modern facility. In fact, the Wada-gawa River which flowed around the castle was turned into the Wada-gawa Dam. You will walk through the crest of the dam looking at Masuyama Lake on the right and a hydroelectric plant on the left. Part of the ruins of the castle town is under the lake now.

Masuyama Castle[/leaflet-marker]

The information center called Masuyama Jinya
The crest of the Wada-gawa Dam
Masuyama Lake
The hydroelectric plant

Featured Horikiri and following Enclosures

By now, you should be able to see the ruins at an altered gate called Kaburagi-mon beside a large signboard. The Uranagi Route goes up on a slope and eventually goes in a valley between the ridges on both sides. You will first see the enclosure called the F Enclosure whose name originates from the numbering system which historians used. it is therefore not known what the original name was. You should check out the ridges that are cut artificially, called Horikiri, in front of the enclosure which prevented enemies from attacking the ridges.

The Kaburagi-mon at the entrance of the Uranagi Route
The Uranagi Route goes in the valley
The Horikiri in front of the F Enclosure
The F Enclosure

Above the F Enclosure, there is the Umanosego Enclosure which is shaped like a horse’s back. This is where the Uranagi Route and Nanamagari Route meet. The enclosure was an important spot for controlling visitors or enemies.

The Umanosego Enclosure
The map around the F Enclosure and the Umanosego Enclosure (from the location map at the site)

First Enclosure, pivot point of the defense

After that, the First Enclosure stands out in front of you. The cliff around the enclosure is cut vertically, which is called Kirigishi, however, it is impossible to climb it. Unfortunately, you will also have to walk around the cliff to reach the entrance of the enclosure. This location would have been where enemies were counterattacked from above. From there, you will see the remaining well called the Matabe-Shimizu which still filled fresh water to this day located near the entrance.

Looking up the First Enclosure
The Kirigishi of First Enclosure
The well called the Matabe-Shimizu
The map around the First Enclosure (from the location map at the site)

From the inside of the enclosure, you can see a good view of the area around the castle as well as a view of the route you went through. That means this enclosure would have been the pivot point of the defense.

The inside of the First Enclosure
A view from the First Enclosure
A view of the route you went through

To be continued in “Masuyama Castle Part3”
Back to “Masuyama Castle Part1”