Raita Futo from Tokyo, JapanCC BY 2.0Wikimedia Commons

Yamagata · Yamagata

Yamagata Castle

山形城

Yamagata, Yamagata

CastleFlatland castle (hirajiro)Japan's 100 Fine Castles No. 10

What makes this castle distinctive

When a film needed the gate of Edo Castle, it was Yamagata Castle's Ninomaru East Otemon Gate that played the part.

Why?

Counting its outer third enclosure, Yamagata Castle is, according to Yamagata City, the fifth largest castle in Japan, and its main gate was built on a scale to rival Edo Castle's. The East Otemon Gate, rebuilt in wood in 1991, was used to film Edo Castle scenes in the movie Samurai Hustle (Cho Kosoku! Sankin Kotai).^[6][5]

Three things not to miss

The Ninomaru East Otemon Gate, rebuilt in wood

Where: The east entrance to Kajo Park, about 15 minutes' walk from the East Exit of Yamagata Station.
What to look at: The bridge over the moat, the gatehouse, attached turret and outer gate that surround a square courtyard (masugata), the stone-drop openings above the gatehouse, and the 13.8-meter crossbeam over its entrance.
Why it's interesting: This was the castle's front entrance, built as a masugata, a square courtyard designed to trap attackers. It was rebuilt in its mid-Edo-period form, the best documented, using old photographs and plans; work began in 1987 and finished in 1991. Inside the turret are old maps, excavated roof tiles and a model of the castle.^[2][6]
Can you see it?: Visible from outsideYou can walk through the gate. The turret interior is open free of charge from April 3 to November 2 in 2026 (9:30–16:00; until 17:00 in July and August).

The Honmaru Ichimonji Gate and its bridge

Where: The eastern entrance to the main enclosure (honmaru) in the middle of the park.
What to look at: The wooden bridge across the moat, the high stone walls, the gate and the walls with loopholes (sama) for guns and arrows, and the difference between the original stones low in the wall and the new stones above.
Why it's interesting: This was the main entrance to the main enclosure. The original stone walls found in excavation were rebuilt up to a height of 6–7 m, the bridge timber was chosen by identifying the wood of excavated posts, and the bridge piers were placed exactly where excavation found them, which is why their spacing varies from 2.1 to 2.8 m. The gate was restored step by step between 1998 and 2014.^[7][1]
Can you see it?: Visible from outsideFree to view during park hours. The turret that once stood above the gate has not been rebuilt for lack of records.

Earthen ramparts and three rings of moats

Where: The moat and ramparts around the second enclosure, and the moat of the main enclosure.
What to look at: The high earthen banks and the water-filled moats outside them, and how stone walls appear only around the gates.
Why it's interesting: Yamagata Castle is a flatland castle with its main, second and third enclosures nested inside one another, each ringed by a moat and earthen ramparts; stone walls were used only at the gates. On the north rampart of the second enclosure, archaeologists found foundation stones of a zigzag wall built so defenders could fire to the sides as well as straight ahead, and the city says this was the first time actual traces of such a wall have been found anywhere in Japan.^[5][1]
Can you see it?: Visible from outsideVisible from within the park.

At a glance for visitors

Nearest station: 15 min walk from JR Yamagata Station
Climb: No climb
Time neededEditors' estimate: Allow 1–1.5 hours to see both gates and walk around the park.
Admission: Free
Hours: 9:30–16:00 in April–June and September–November; 9:30–17:00 in July–August (extended during the cherry-blossom festival, Golden Week and the Hanagasa Festival)
Access: Open to visitors
Kajo Park is free and open every day. The Japan 100 Castles stamp is at the East Otemon turret, the Yamagata City Local History Museum and the Mogami Yoshiaki Historical Museum (from December 29 to January 3, only at the Yamagata City Tourist Information Center). Routes through the main enclosure changed from July 21, 2026 because of excavations.

Checked: 2026-10-03

View on map Open in Google Maps Yamagata Castle, National Historic Site (Yamagata City)Kajo Park (Yamagata City, Japanese)

The story of this castle

Scholarly interpretation

A castle and town on an alluvial fan

Yamagata's castle town actually spreads over ground higher than the castle itself. This is said to be because the builders put priority on the alluvial fan of the Mamigasaki River: its springs watered the town's wells and fields, and the low, marshy ground around the castle helped defend it.^[4]

Tradition

Begun by Shiba Kaneyori, enlarged by Mogami Yoshiaki

Tradition says the castle was first built by Shiba Kaneyori, founder of the Mogami family, who arrived in 1356 as the shogunate's governor for the region. Its basic form was created by the 11th head of the family, Mogami Yoshiaki, who held off an Uesugi assault in the Keicho Dewa campaign of 1600, became a daimyo with 570,000 koku, and developed the castle town.^[1][4]

Historical record

The largest castle in Tohoku

Yamagata Castle is a flatland castle ringed by three moats and earthen ramparts around its main, second and third enclosures, and the city calls it the largest castle in Tohoku. The third enclosure alone covers about 235 hectares, larger than the outer enclosure of Himeji Castle. The main enclosure held only a palace and never had a keep, though a three-story turret stood in the second enclosure until the early Edo period.^[5][6]

Tradition

The Mogami fall, and Torii Tadamasa rebuilds

After Yoshiaki's death a family feud broke out, and in 1622 the shogunate dispossessed the Mogami. The new lord, Torii Tadamasa, rebuilt the castle on a large scale, and the moat, ramparts and stone walls of the second enclosure that survive today are said to date from his work. Lords changed often after that, and by the end of the Edo period the domain had shrunk to 50,000 koku, making the huge castle hard to maintain.^[1][4]

Historical record

The buildings vanished; moats and ramparts remained

None of the castle's Edo-period buildings stand on the site today. The third enclosure has become part of the city, but the main and second enclosures survive as Kajo Park, about 35.9 hectares, where the moat and ramparts of the second enclosure and the stone walls of its gates still show the castle's scale.^[1][12]

Historical record

Rebuilt gates, and excavations still under way

The site became a National Historic Site in 1986, and the Ninomaru East Otemon Gate was rebuilt in wood in 1991. At the Honmaru Ichimonji Gate, the stone walls, bridge, outer gate and courtyard walls have been restored in turn since 1998. The city is moving sports facilities out of the park and aims to complete the work by fiscal 2033; in July 2026 it began excavating the roads that cross the main enclosure.^[6][7][3]

People of this castle

11th Mogami head and first lord of Yamagata, who built the castle's basic form

Mogami Yoshiaki

最上義光

1546–1614

The 11th head of the Mogami family and first lord of the Yamagata domain. He built the castle on which today's Yamagata Castle is based, along with a castle town of merchant and craft districts. After holding off the Uesugi army in the Keicho Dewa campaign of 1600, he became a daimyo with 570,000 koku.

Lord from 1622 who rebuilt the castle

Torii Tadamasa

鳥居忠政

1566–1628

A daimyo and retainer of the Tokugawa. He became lord of Yamagata in 1622 after the Mogami family was dispossessed, and his major rebuilding gave Yamagata Castle roughly the shape it has today.

Connected person

Hoshina Masayuki

保科正之

1611–1673

A son of the second shogun Hidetada and lord of the Aizu domain, who served as guardian and adviser to the fourth shogun, Ietsuna.

Lord

Matsudaira clan

松平氏

Lord

Hoshina clan

保科氏

Built

Shiba Kaneyori

斯波兼頼

1316–1379

Lord

Shiba clan

斯波氏

Lord

Mogami clan

最上氏

Lord

Torii clan

鳥居氏

Lord

Hotta clan

堀田氏

Lord

Akimoto

秋元氏

Lord

Mizuno clan

水野氏

Timeline

1356
Shiba Kaneyori arrives in Yamagata and, by tradition, begins the castle^[1][4]
1600
Keicho Dewa campaign: Mogami Yoshiaki repels the Uesugi^[4]
1622
The Mogami are dispossessed; Torii Tadamasa takes over and rebuilds the castle^[1][4]
1986
Designated a National Historic Site^[1][6]
1991
The Ninomaru East Otemon Gate is rebuilt in wood^[6]
2014
Restoration of the Honmaru Ichimonji Gate's outer gate and courtyard walls is completed^[7]

Buildings and remains

The keep today

No keep was built

The main enclosure held only a palace and never had a keep; a three-story turret stood in the second enclosure until the early Edo period.

The site today

The main and second enclosures form Kajo Park, about 35.9 hectares, which also holds the Yamagata City Local History Museum and the Yamagata Prefectural Museum; sports facilities are gradually being moved out. The third enclosure is now part of the city. Excavation and restoration continue in the main enclosure.

Main buildings

Rebuilt in wood

Ninomaru East Otemon Gate (gatehouse, attached and north turrets, outer gate, walls, bridge)

Rebuilt in wood in 1987–1991 in its mid-Edo (Hotta period) form. The turret interior opens seasonally.^[6][2]

Rebuilt in wood

Honmaru Ichimonji Gate (stone walls, bridge, outer gate, courtyard walls)

Stone walls restored 1998–2003, bridge 2004–2005, outer gate and courtyard walls 2012–2014. The turret over the gate has not been rebuilt for lack of records.^[7]

Site only

Honmaru palace

No building remains; its plan is marked on the ground and it can be seen in the city's VR reconstruction.^[7]

Key facts

Type: Castle
Setting: Flatland castle (hirajiro)built on flat ground, defended by moatsEditorial article
Period: Medieval (c.1185–1570s), Early modern (1570s–1871)Editorial article
Keep (tenshu): No keep was builtthe castle never had a keepEditorial article
Built by: Mogami Yoshiaki, Torii Tadamasa, Shiba KaneyoriJapan Castle Foundation
Built: 1357Japan Castle Foundation
Main lords: Matsudaira clan, Hoshina clan, Shiba clan, Mogami clan, Torii clan, Hotta clan, Akimoto, Mizuno clanJapan Castle Foundation
Abandoned: 1871Wikipedia (ja)
Remains to see: Stone walls, Moats, Gates, Baileys / enclosures (kuruwa), Earthen ramparts, Fortified gateways (koguchi)Editorial article
Designation: National Historic Site (Yamagata Castle Site) (1986)Editorial article
Selection: Japan's 100 Fine Castles No. 10Japan Castle Foundation

Visiting

Access

Open to visitors

Kajo Park is free and open every day. The Japan 100 Castles stamp is at the East Otemon turret, the Yamagata City Local History Museum and the Mogami Yoshiaki Historical Museum (from December 29 to January 3, only at the Yamagata City Tourist Information Center). Routes through the main enclosure changed from July 21, 2026 because of excavations.

Address

1-7 Kajomachi, Yamagata, Yamagata 990-0826 (park office)^[1]

Checked: 2026-10-03

Nearest stations and how to get there

JR Yamagata StationJR Yamagata Shinkansen, Ou Line, Senzan Line, Aterazawa Line

about 15 min walk · No climb

15 minutes on foot from the East Exit to the East Otemon Gate, or 10 minutes from the West Exit to the South Gate. From the Benichan Bus stop Kajo Koen-mae, it is 5 minutes to the East Otemon Gate.^[1]

Checked: 2026-10-03

Hours and admission

Ninomaru East Otemon turret (interior)

Hours: 9:30–16:00 in April–June and September–November; 9:30–17:00 in July–August (extended during the cherry-blossom festival, Golden Week and the Hanagasa Festival)
Closed: Closed outside the open season (April 3 – November 2 in fiscal 2026)
Admission: Free^[2][8]

Checked: 2026-10-03

Mogami Yoshiaki Historical Museum

Hours: 9:00–17:00 (last entry 16:30)
Closed: Mondays (or the next day if Monday is a holiday); occasional extra openings and closures
Admission: Free^[9]

Checked: 2026-10-03

Yamagata City Local History Museum (former Saiseikan Hospital)

Hours: 9:00–16:30
Closed: Year-end holidays (December 29 – January 3)
Admission: Free^[10]

Checked: 2026-10-03

By car / parking

About 15–20 minutes from Yamagata-Zao IC on the Yamagata Expressway. The park's parking lot is free (230 spaces, no reservations), and vehicles can enter and leave only through the North Gate.^[1]

Checked: 2026-10-03

Grounds opening hours

5:00–22:00 from April 1 to October 31; 5:30–22:00 from November 1 to March 31. Open every day.^[1]Checked: 2026-10-03

Time neededEditors' estimate

Allow 1–1.5 hours to see both gates and walk around the park.

Steps, slopes and footing

As a flatland castle it has no major slopes, but the park is large.^[1]

Wheelchairs and strollers

The park lot has five spaces for people with disabilities. Other accessibility details are not confirmed.^[1]Checked: 2026-10-03

Toilets and rest

Not confirmed

English signs / audio guide

The city's official Yamagata Castle website has an English version, and the Local History Museum offers English leaflets.^[4][10]

Seasons

A famous cherry-blossom spot in spring; in 2026 the East Otemon turret stayed open until 21:00 during the cherry-blossom festival (April 9–15).^[1][2]

Photography

Not confirmed

Works, closures and restrictions

Routes through the park have changed from July 21, 2026 (year-round) for excavation of the roads in the main enclosure. The East Otemon turret interior is open until November 2, 2026.^[3][2]Checked: 2026-10-03

Around the castle

Museum

Mogami Yoshiaki Historical Museum

A city museum on Mogami Yoshiaki and the Mogami family. Free; closed Mondays.^[9]

Checked: 2026-10-03

Museum

Yamagata City Local History Museum (former Saiseikan Hospital)

An 1878 Western-style hospital building, now an Important Cultural Property moved into Kajo Park. It displays local history and medical collections; admission is free.^[10]

Checked: 2026-10-03

Editors' guide

An editorial guide based on sources and confirmed information — not a first-hand visit report.

Who will enjoy it

For travelers who want to study a big castle gate up close, anyone curious about how a castle is brought back step by step from excavations, and fans of the era of Mogami Yoshiaki and Date Masamune. It is walkable from the station, and the gate turret and museums are free.

What makes it interesting

Step into the courtyard of the East Otemon Gate and feel how it surrounds you, then take in the size of the gatehouse. At the Honmaru Ichimonji Gate, notice the unevenly spaced bridge piers and the line between original and new stones in the wall: details that show how closely the restoration follows excavation.

Before you go

There was never a keep. All the buildings are reconstructions, and ongoing excavation in the main enclosure can change which paths are open. The East Otemon turret is closed in winter.

Ways to enjoy it

In cherry-blossom season the moats, gates and flowers come together. Add the free Local History Museum in the park and the nearby Mogami Yoshiaki Historical Museum to see both the castle's history and the town's modern story.

Photos

Visitor reviews

Be the first to review

Have you visited this castle? We'd love to hear from you.

Write a review

Open questions

Both Shiba Kaneyori's founding of the castle and the origin of the name Kasumigajo (the castle hidden in mist during a battle) are traditions.
The city describes Kaneyori's arrival in 1356 as the traditional beginning, while the Japan Castle Foundation and the city's history page give 1357 for the start of construction.
The claims of fifth-largest castle in Japan, largest in Tohoku, and first-ever discovery of zigzag wall foundations come from Yamagata City.
Toilet locations, accessibility beyond parking, and photography rules could not be confirmed.