Osaka Castle

大阪城

Osaka

CastleHilltop castle (hirayamajiro)Japan's 100 Fine Castles No. 50

What makes this castle distinctive

Under the stone walls you see today, Hideyoshi's original Osaka Castle lies buried.

Why?

After the Toyotomi family fell in the Sieges of Osaka, the Tokugawa shogunate buried their castle under thick layers of earth and built a new one on top. As a result, every stone wall and moat visible today dates from the Tokugawa era. At the Toyotomi Stone Wall Museum, opened in 2025, you can go underground and see walls from Hideyoshi's time.^[1][2]

Three things not to miss

Toyotomi-era walls underground (Toyotomi Stone Wall Museum)

Where: The Osaka Castle Toyotomi Stone Wall Museum in the honmaru (main enclosure), east of the keep; the display is underground.
What to look at: A wall of barely shaped natural stones (nozura-zumi style), scorch marks from the fires of the 1615 summer siege, and the sheer depth of Tokugawa-era fill above your head.
Why it's interesting: The wall shown here protected the Tsumenomaru, the private heart of the main enclosure where Hideyoshi and his wife Nene, and later Yodo-dono and their son Hideyori, lived. It was found in 1984 during a survey for water-pipe work. When the shogunate rebuilt the castle it piled about 6 m of earth over this area. Some stones are reused foundation stones from ancient temples.^[2][3][4]
Can you see it?: Visible from outsideIncluded in the keep admission ticket (9:00-18:00, last entry 17:30). It may close without notice depending on the condition of the walls. No toilets inside.

The third keep, built by citizens in 1931

Where: The keep in the honmaru, now a museum.
What to look at: The gold tigers and shachihoko (fish-shaped roof ornaments) on the black walls of the top story, and the view from the 8th-floor observation deck about 50 m above the ground.
Why it's interesting: Today's keep is the third, after the Toyotomi and Tokugawa keeps. Built in 1931 with citizens' donations, it stands on the Tokugawa-era keep base but its exterior follows the Toyotomi keep shown in the Summer Siege of Osaka folding screen. It is made of steel-reinforced concrete and has been a museum with an elevator since it opened. It became a Registered Tangible Cultural Property in 1997.^[1][5][6][7]
Can you see it?: Visible from outsideThe exterior can be viewed freely; entry is paid. Photography is banned on the 3rd and 4th floors but allowed elsewhere.

Tokugawa's Ote-mon gate, Sengan-yagura and the giant stones of Sakura-mon

Where: The west Ote entrance (Ote-mon, Sengan-yagura and Tamon-yagura) and the square gate enclosure (masugata) at Sakura-mon, the entrance to the honmaru.
What to look at: Sengan-yagura jutting over the moat, the square enclosure behind Ote-mon, and the enormous single slabs set into the walls of the Sakura-mon enclosure.
Why it's interesting: All 13 historic buildings that survive date from the Tokugawa rebuilding or later: Sengan-yagura and Inui-yagura from 1620, Ote-mon and Tamon-yagura from around 1848. All are Important Cultural Properties. Walking from the Ote entrance to the main enclosure, you feel the power of a castle built with huge stones on top of the Toyotomi one.^[1][8][9]
Can you see it?: Visible from outsideFree to view from outside. Turret interiors are normally closed.

At a glance for visitors

Nearest station: 18 min walk from JR Osakajokoen Station
Climb: Some climbing
Time neededEditors' estimate: The museum takes 50 minutes to 1.5 hours (official estimate). Allow 2.5-3 hours to walk in from Ote-mon and add the Toyotomi Stone Wall Museum.
Admission: Adults 1,200 yen; university and high school students 600 yen (student ID required); free for junior high age and under. Groups of 15+: 1,080 yen / 540 yen. The same ticket covers the Toyotomi Stone Wall Museum.
Hours: 9:00-18:00 (last entry 17:30)
Access: Open to visitors
Osaka Castle Park is free to walk around. The keep and the Toyotomi Stone Wall Museum share one paid ticket. Turret interiors are normally closed. Drones are banned in the park. The Japan 100 Castles stamp is at the 1st-floor information counter inside the keep (ticket required).

Checked: 2026-10-03

View on map Open in Google Maps Osaka Castle Museum (official site)Osaka Castle Park

The story of this castle

Historical record

On the site of a fortified temple

Osaka Castle stands at the northern tip of the Uemachi Plateau. With the Yodo River to the north it was easy to defend, and the river led upstream to Kyoto, making it a transport hub. In the Warring States period the site held the Osaka Hongan-ji (Ishiyama Hongan-ji), a fortified temple that fought Oda Nobunaga for ten years.^[1][6]

Historical record

1583: Hideyoshi's base for unifying Japan

In 1583 Toyotomi (then Hashiba) Hideyoshi began building a castle on the temple site. Its main and second enclosures were about the same size as today's, and an outer defensive perimeter (sogamae) about 2 km on each side surrounded it. It is said to have been praised as "without equal in three countries." The town of Osaka grew up around it as a castle town.^[1][4]

Scholarly interpretation

1615: the fall, and a castle buried

After Hideyoshi died in 1598, the Toyotomi family was defeated by the Tokugawa in the winter and summer Sieges of Osaka (1614-15), and the castle burned. From 1620 the Tokugawa shogunate rebuilt it, burying the Toyotomi castle under huge amounts of earth and building new stone walls on top. The Osaka Castle Museum describes the work as if meant to erase the Toyotomi family's authority.^[1][2]

Historical record

The Tokugawa castle: a base for ruling the west

The rebuilt castle was held directly by the shogunate. A keeper called the Osaka jodai, chosen from among the shogun's loyal daimyo (feudal lords), was stationed here, and the castle became a base for ruling western Japan. The Tokugawa keep was completed in 1626 but burned after a lightning strike in 1665 and was never rebuilt.^[6][8][12]

Historical record

Losses in 1868 and in the war

In 1868, amid the turmoil of the Meiji Restoration, the main palace and many turrets and gates burned. The army then took over the grounds, and more turrets were lost in an air raid on August 14, 1945. Even so, 13 historic structures survive, including Sengan-yagura, Inui-yagura, Ote-mon, Tamon-yagura, the Kinzo treasury and Sakura-mon, all Important Cultural Properties.^[1][8][12]

Historical record

The 1931 keep and the Toyotomi walls revealed

In 1931 the keep was rebuilt with donations from Osaka's citizens: it stands on the Tokugawa keep base, but its exterior follows a folding screen showing the Toyotomi keep. It became a national Registered Tangible Cultural Property in 1997 and an Osaka City Tangible Cultural Property in 2025. The buried Toyotomi walls were found in surveys in 1959 and 1984, and after a city project funded partly by donations, the Toyotomi Stone Wall Museum opened in 2025.^[1][3][6]

People of this castle

Ruler of Japan who built the first Osaka Castle

Toyotomi Hideyoshi

豊臣秀吉

1537–1598

The warlord who carried on Oda Nobunaga's work and unified Japan. In 1583 he began building Osaka Castle on the site of the Osaka Hongan-ji temple.

Second shogun, who began rebuilding the castle

Tokugawa Hidetada

徳川秀忠

1579–1632

The second shogun of the Edo (Tokugawa) shogunate. When Fukuyama Castle was built, he had a turret from the Matsunomaru section of Fushimi Castle in Kyoto moved to Fukuyama; it survives today as Fushimi Yagura.

Lord

Tokugawa clan

徳川氏

Lord

Matsudaira clan

松平氏

Lord

Toyotomi clan

豊臣氏

Timeline

1583
Hideyoshi begins building Osaka Castle^[2]
1615
The castle falls in the summer siege; the Toyotomi family is destroyed^[2]
1620
The Tokugawa shogunate begins rebuilding the castle^[2][8]
1665
The Tokugawa keep burns after a lightning strike^[6][8]
1931
The keep is rebuilt with citizens' donations^[1][6]
1984
The Toyotomi-era Tsumenomaru wall is discovered^[2][3]
2025
The Toyotomi Stone Wall Museum opens^[2]

Buildings and remains

The keep today

Modern reconstruction

The third keep, "revived" in steel-reinforced concrete in 1931 (the museum's word). Its exterior follows the Toyotomi keep in the Summer Siege of Osaka screen, while the base is Tokugawa-era. Five roofs, eight floors inside.

The site today

The castle grounds are now Osaka Castle Park, free to walk around. The keep houses the Osaka Castle Museum. The inner and outer moats and the Tokugawa-era walls survive well, while the Toyotomi castle lies buried underground.

Main buildings

Modern reconstructionRegistered Tangible Cultural Property; Osaka City Tangible Cultural Property

Keep (tenshu)

Rebuilt 1931. Registered nationally in 1997, designated by Osaka City in 2025. Museum inside.^[1][6]

OriginalImportant Cultural Property

Sengan-yagura (turret)

Built 1620; guards the Ote entrance.^[8]

OriginalImportant Cultural Property

Inui-yagura (turret)

Built 1620.^[8]

OriginalImportant Cultural Property

Ote-mon gate and Tamon-yagura

Built around 1848.^[8]

OriginalImportant Cultural Property

Kinzo treasury, Ensho-gura gunpowder store, Kinmeisui well house, Ichiban- and Rokuban-yagura, Sakura-mon gate, walls

Built between 1626 and 1887. Thirteen structures in all are Important Cultural Properties.^[8]

Site only

Toyotomi-era Tsumenomaru stone wall

Excavated from underground and shown in the Toyotomi Stone Wall Museum since 2025.^[2]

Key facts

Type: Castle
Setting: Hilltop castle (hirayamajiro)built on a low hill rising from the plainEditorial article
Period: Early modern (1570s–1871), ModernEditorial article
Keep (tenshu): Modern reconstructiona keep rebuilt in the 20th century or later; shape or position may differ from the originalEditorial article
Built by: Toyotomi HideyoshiJapan Castle Foundation
Built: 1583Japan Castle Foundation
Main lords: Tokugawa clan, Matsudaira clan, Toyotomi clanJapan Castle Foundation
Abandoned: 1868Wikipedia (ja)
Remains to see: Turrets or turret bases, Gates, Stone walls, Moats, Baileys / enclosures (kuruwa), Keep base (tenshudai)Editorial article
Designation: Special Historic Site (Osaka Castle ruins) (1955); Important Cultural Properties (13 structures incl. Ote-mon and Sengan-yagura; Ote-mon designated 1953) (1953); Registered Tangible Cultural Property (keep) (1997)Editorial article
Selection: Japan's 100 Fine Castles No. 50Japan Castle Foundation

Visiting

Access

Open to visitors

Osaka Castle Park is free to walk around. The keep and the Toyotomi Stone Wall Museum share one paid ticket. Turret interiors are normally closed. Drones are banned in the park. The Japan 100 Castles stamp is at the 1st-floor information counter inside the keep (ticket required).

Address

1-1 Osakajo, Chuo-ku, Osaka 540-0002^[11]

Checked: 2026-10-03

Nearest stations and how to get there

JR Osakajokoen StationJR Osaka Loop Line

about 18 min walk · Some climbing

About 18 minutes to the keep from the east side of the park via Aoya-mon and Gokuraku-bashi.^[13]

Checked: 2026-10-03

Tanimachi 4-chome StationOsaka Metro Chuo and Tanimachi lines

about 18 min walk · Some climbing

Enter from the west through Ote-mon; about 18 minutes to the keep, passing Ote-mon and Sengan-yagura.^[11][13]

Checked: 2026-10-03

Morinomiya StationJR Osaka Loop Line; Osaka Metro Chuo and Nagahori Tsurumi-ryokuchi lines

about 18 min walk · Some climbing

About 18 minutes to the keep from the southeast of the park.^[11][13]

Checked: 2026-10-03

Temmabashi StationKeihan Line; Osaka Metro Tanimachi Line

about 19 min walk · Some climbing

About 19 minutes to the keep from the northwest via Kyobashi-guchi.^[11][13]

Checked: 2026-10-03

Hours and admission

Osaka Castle Museum (keep), incl. the Toyotomi Stone Wall Museum

Hours: 9:00-18:00 (last entry 17:30)
Closed: December 28 - January 1
Admission: Adults 1,200 yen; university and high school students 600 yen (student ID required); free for junior high age and under. Groups of 15+: 1,080 yen / 540 yen. The same ticket covers the Toyotomi Stone Wall Museum.^[5][2]

Checked: 2026-10-03

By car / parking

Osakajokoen Station parking (171 spaces) and Morinomiya parking (143 spaces): 400 yen/hour on weekdays and 500 yen/hour on weekends and holidays from 8:00 to 22:00, 200 yen/hour overnight. The keep is about a 15-minute walk from the lots.^[11][7]

Checked: 2026-10-03

Grounds opening hours

Not confirmed (the park is open access, but official hours were not found).Checked: 2026-10-03

Time neededEditors' estimate

The museum takes 50 minutes to 1.5 hours (official estimate). Allow 2.5-3 hours to walk in from Ote-mon and add the Toyotomi Stone Wall Museum.

Steps, slopes and footing

Every station is 18-19 minutes' walk from the keep, with slopes and steps up to the main enclosure. The upper floors of the keep are narrow and crowded.^[13][7]

Wheelchairs and strollers

An outside elevator to the 1st floor and an elevator inside take wheelchair users up to the top observation deck. The keep has 5 wheelchairs (no reservations). Accessible toilets: one on the keep's 2nd floor and two in the honmaru plaza. Strollers are not taken inside; they are stored free at the ticket gate. The official site has a barrier-free map in Japanese and English.^[7][11][14]Checked: 2026-10-03

Toilets and rest

On the keep's 2nd floor, in the honmaru plaza and elsewhere in the park. None inside the Toyotomi Stone Wall Museum.^[7][2][13]

English signs / audio guide

Museum leaflets are in Japanese, English, Korean and Chinese (traditional and simplified). Some exhibits have English captions, and the 1st-floor theater films have English subtitles.^[7][9]

Seasons

Cherry blossoms bloom across the park in spring. The keep is lit up from sunset until 0:30 (except one maintenance day a year).^[7]

Photography

Photography is not allowed on the 3rd and 4th floors of the keep, where Important Cultural Properties are displayed; other floors are fine. Drones are banned in the park.^[7][13]

Works, closures and restrictions

When busy, the ticket line may be closed before the 17:30 last entry. Tickets can also be bought online in advance.^[5][1]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 anyone curious about the shift from Hideyoshi's era to the Tokugawa age, and for lovers of massive stone walls and moats. With an observation deck and English materials, it is also easy for overseas visitors.

What makes it interesting

The real fun is comparing the Toyotomi castle and the Tokugawa castle. The keep's exterior imitates the Toyotomi style, the keep base and every wall around you are Tokugawa, and underground in the Toyotomi Stone Wall Museum are genuine Toyotomi walls. Walk with those three layers in mind.

Before you go

Today's keep is a 1931 steel-reinforced concrete building with a museum inside. From any station it is nearly 20 minutes' walk to the keep. The Toyotomi Stone Wall Museum is covered by the keep ticket but has no toilets.

Ways to enjoy it

Enter from the Tanimachi 4-chome side through Ote-mon, pass Sengan-yagura and the giant stones of Sakura-mon on your way to the honmaru, look down on the vast grounds from the keep's 8th floor, and finish by descending into the Toyotomi Stone Wall Museum to feel the difference between the ground you walk on and the buried castle below.

Photos

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Open questions

The depth of the Tokugawa fill varies by location: the Osaka Castle Museum gives about 6 m at the middle terrace and more than 25 m over the old inner moat, while a Chuo Ward page says about 2 m.
The current keep imagines the poorly documented Toyotomi keep from paintings and is not an exact restoration. A Chuo Ward page calls it a "mock keep," while the museum calls it a "revival."
The museum dates the Osaka City designation to 2025, while the city education board's list puts it in fiscal 2024.
The praise "without equal in three countries" is treated as tradition. Park hours and details of the slopes from each station could not be confirmed.

Sources

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