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Osaka Castle keep rising above stone walls and moats, with the city's skyscrapers behind
Photo: 663highland, CC BY 2.5, via Wikimedia Commons
Osaka · castle

Osaka Castle

大阪城

Osaka's symbol: built by Toyotomi Hideyoshi, rebuilt by the Tokugawa, keep revived in 1931 by citizens' donations. Now a museum in a vast walled park.

The white and green keep of Osaka Castle on its stone base, with cherry blossoms in bloom
Photo: Jim Gateley, CC BY 3.0, via Wikimedia Commons
Inui-yagura turret on a stone wall reflected in Osaka Castle's outer moat, office towers behind
Photo: Martin Falbisoner, CC BY-SA 4.0, via Wikimedia Commons

A main tower built three times

Toyotomi Hideyoshi began building Osaka Castle in 1583 on the site of the former Osaka Hongan-ji temple. The castle fell in the Siege of Osaka in 1615 (the final war between the Tokugawa and Toyotomi clans), after which the Tokugawa shogunate ordered the feudal lords to rebuild it. The Tokugawa tenshu (the keep, the castle's tallest, central building) was completed in 1626, but it burned down after a lightning strike in 1665.

Today's keep is the third. It was rebuilt in steel-framed reinforced concrete in 1931, paid for by donations from the people of Osaka. It became a Registered Tangible Cultural Property of Japan in 1997, and in 2025 it was also designated a Tangible Cultural Property by Osaka City.

A history museum and observation deck inside the keep

Inside, the keep is a museum displaying materials and cultural properties related to Toyotomi Hideyoshi, the Sengoku (Warring States) period and the history of Osaka Castle. The top floor, the 8th, is an observation deck with views over Osaka Castle Park and the city. The keep has had a lift ever since it was rebuilt in 1931.

Stone walls, turrets and the Toyotomi-era walls

The stone walls, moats and Edo-period buildings that survive around the castle are designated a Special Historic Site and Important Cultural Properties. Thirteen buildings, including gates, yagura (turrets for lookout and defence) and storehouses, are Important Cultural Properties. Near the Sakuramon Gate is the Tako-ishi (Octopus Stone), the largest stone in the castle, estimated to weigh about 130 tonnes.

Most of the stone walls you see today were rebuilt in the Tokugawa era, and the walls from Toyotomi's time lie buried beneath them. In April 2025 the Toyotomi Ishigaki-kan (Toyotomi Stone Wall Museum) opened to show Toyotomi-era walls found underground.

Osaka Castle Park and getting there

The grounds around the castle are laid out as Osaka Castle Park, which has about 3,000 cherry trees and is one of the best hanami (cherry blossom viewing) spots in the Kansai region.

There are many nearby stations. You can walk from Tanimachi 4-chome, Temmabashi, Morinomiya and Osaka Business Park stations on the Osaka Metro; Morinomiya and Osakajokoen stations on the JR Osaka Loop Line; Osakajo-kitazume Station on the JR Tozai Line; Temmabashi Station on the Keihan line; and others. Check the official website for opening hours and admission fees.

Tips

  • Tickets for the keep can also be bought online in advance.
  • There are lots of nearby stations and the park is large, so check a map beforehand for the station closest to where you want to go (the keep, the Toyotomi Stone Wall Museum and so on).
  • Seeing not just the keep but also the buried Hideyoshi-era walls at the Toyotomi Stone Wall Museum gives you a much clearer picture of the castle's history.

Sources

Updated 28 September 2026. Opening hours and prices change, so check the official site before you go.

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