In shortThe main keep at Hiroshima Castle has been shut since March 2026: the concrete has deteriorated and the building services are old, so the city closed it on safety grounds. Demolition is not planned, and you can still see the tower from outside. What you can walk into is the rebuilt Ninomaru, which stays open until 17:30 from April to September and shuts an hour earlier, at 16:30, from October to March, opening at 9:00 in both seasons and stopping entry half an hour before the gate.
March 2026main keep closed, safety grounds
9:00 to 17:30Ninomaru, April to September
9:00 to 16:30Ninomaru, October to March
Sunset to 22:00keep and Ninomaru illuminated
Why the Hiroshima castle keep is closed
The closure dates from March 2026. The reasons given are physical: the concrete of the reconstructed tower has deteriorated and the building services inside have aged, so the interior was shut on safety grounds. Nobody goes in, on any ticket, on any tour.
Two points get lost in travel listings. The tower is not scheduled for demolition, and its exterior can still be viewed from the grounds, so you are not looking at an empty site behind a hoarding. No reopening schedule has been published. Plan your day around the closure rather than hoping for news while you are in town.
Plenty of itineraries still describe the keep as somewhere you climb for a view over the city. Treat any description of the tower's interior as out of date, and do not pick a tour because it promises that view.
What is still open in the grounds
The reconstructed Ninomaru buildings stand on the patch of ground reached by the bridge across the inner moat, and they are the only part of the castle you can currently walk inside. Expect something modest: timber interiors, the gate structures and the turret. The ticket window closes half an hour before the buildings do.
Everything else here is outdoors and unaffected. The moat holds water right around the base of the keep, the stone walls are the original defensive line of the site, and the shrine inside the grounds is in use, with worshippers rather than sightseers setting the tone early in the morning. You walk the perimeter path, cross to the Ninomaru, look up at the tower from the lawn at its foot, and leave by the other side.
The place turns up in English as Carp Castle, after the Japanese nickname Rijo.
The baseball club carries the same name, and it plays nowhere near here. Mazda Zoom-Zoom Stadium Hiroshima, at 2-3-1 Minamikaniya, Minami-ku, sits about 10 minutes on foot from the south exit of JR Hiroshima Station, which puts it on the opposite side of the city centre from the moat.
Hiroshima castle opening hours and the night illumination
Two sets of hours apply to the Ninomaru across the year. From April to September you have until 17:30; from October to March the gate closes at 16:30, and in both seasons the last admission is 30 minutes earlier. In winter that early finish matters, because the gates shut not long after the light goes.
Illumination covers the keep and the Ninomaru from sunset until 22:00. With the interior closed, the evening is the better visit. The tower is lit, the moat takes the reflection, and you are not squeezing the grounds into a daytime schedule already loaded with the park and the museum. Closed days are posted on the official site, so check the hours again shortly before you go.
If you are planning around the garden and the museums in the same quarter, the hours line up like this.
| Place | Opening hours | Notes |
|---|
| Castle Ninomaru buildings | 9:00 to 17:30 April to September; 9:00 to 16:30 October to March | Last entry 30 minutes before closing |
|---|
| Keep exterior and illumination | Lit from sunset until 22:00 | Interior closed since March 2026 |
|---|
| Shukkeien | 9:00 to 18:00 from 16 March to 15 September; 9:00 to 17:00 from 16 September to 15 March | Last entry 30 minutes before closing |
|---|
| Hiroshima Museum of Art | 9:00 to 17:00, entry by 16:30 | Closed Mondays except during special exhibitions |
|---|
| Hiroshima Prefectural Art Museum | 9:00 to 17:00, last admission 30 minutes before closing | Fridays to 19:00 from 24 September 2026 to 31 March 2027 |
|---|
Getting there from the park and the arcades
The castle sits north of Peace Memorial Park, on the far side of Central Park. The walk between the two is flat: head north from the Atomic Bomb Dome, pass the Hiroshima Museum of Art at 3-2 Motomachi, and the moat appears ahead of you. The museum's own page places itself close to the castle, the Dome and the park, which gives you a fair idea of how tight this cluster is.
From the Hondori and Kamiyacho arcades it is also a short walk north, so the grounds are easy to drop into before dinner or after the shops.
Riding instead of walking, Hiroshima Castle is the second call on the Meiple-loop sightseeing bus, which leaves from and returns to the Shinkansen exit of Hiroshima Station. The order of stops is the Hiroshima Prefectural Art Museum, then the castle, then the Hiroshima Museum of Art, Genbaku Dome-mae, Heiwa Koen-mae and Namiki-dori Iriguchi. It operates every day from 9:00 to 18:00 with 42 trips, so a gap of 10 to 15 minutes at the castle stop is the most you should expect. Chugoku JR Bus replaced the old three colour-coded routes with this single route on 18 July 2026, so older route maps are wrong.
Give the grounds a short slot. A loop of the moat, the climb to the keep base for the exterior and a pass through the Ninomaru is the whole visit, and it takes far less of your day than the museum does.
See the castle quarter on the bike morning
The centre is flat, and the castle, Central Park and the river banks sit within a few minutes of each other. That is the ground a 3 to 4 hour guided ride covers, from 11,000 yen, 4.9 ★ (617 reviews).
★ 4.9/5 · 617 reviews
Pair it with Shukkeien rather than another museum
Shukkeien is the obvious second stop, and the stronger one now that the keep is shut. It belonged to the same ruling house as the castle: Hiroshima's lord Asano Nagaakira had it laid out from Genna 6, that is 1620, as his villa garden, and his chief retainer and tea master Ueda Soko designed it as a circuit of ponds, bridges and planted hillocks. Gates open at 9:00 and close at 18:00 between 16 March and 15 September, at 17:00 from 16 September to 15 March, with the last entry half an hour before either closing time.
By tram, board at Hiroshima Station south exit A platform 1, 2 or 6 and change at Hatchobori onto the Hakushima Line for Shukkeien-mae, which puts you at the entrance. The Hiroshima Prefectural Art Museum stands directly beside it at the same stop, and its Friday evenings run to 19:00 from 24 September 2026 to 31 March 2027, which sets you up nicely for the castle illumination afterwards.
Hiroden trams sell no tickets on board. Settle up as you get off rather than on boarding, and if you are using an IC card, touch it twice, once at each end of the ride.
Which tours on this site cover this quarter
No tour gets you inside the keep, so judge the options on what else they cover.
The closest fit for this quarter is Hiroshima in a Nutshell: Morning Bike Adventure, 3 to 4 hours, from 11,000 yen, 4.9 ★ (617 reviews). Bike, helmet, bottled water and an English-speaking guide come with it, and the meeting point is 4-5-4 Otemachi, Naka-ku, 730-0051. The city centre is flat and the castle quarter sits close to the river route, which is the ground this morning ride is built for.
For a day arranged around what you choose, Hiroshima & Miyajima in 1 Day: Private Tour, Licensed Guide runs 8 hours, from 30,900 yen, 4.9 ★ (1,610 reviews), with a licensed local English-speaking guide met on foot in Hiroshima and 3 to 4 sites picked from the operator's itinerary list. Check that the list covers the castle quarter before you commit, because transport, entrance fees, lunch and the Miyajima visitor tax are optional extras rather than inclusions, and groups cannot be combined.
Admissions on the Hiroshima Peace (Heiwa) Walking Tour at World Heritage Sites cover the Peace Memorial Museum and Orizuru Tower, over 5 hours, from 13,600 yen, 5.0 ★ (1,052 reviews). The castle is not on that list, so take this one for the park cluster and keep the castle grounds for the evening.
- Short active morning across the flat centre: the 3 to 4 hour bike tour, from 11,000 yen, 4.9 ★ (617 reviews)
- Your own choice of 3 to 4 sites with a licensed guide: the 8-hour private day, from 30,900 yen, 4.9 ★ (1,610 reviews)
- Park, museum and Orizuru Tower on foot, no castle admission listed: the 5-hour walking tour, from 13,600 yen, 5.0 ★ (1,052 reviews)
Questions people ask
Is the castle still worth a slot in the day?
Yes, but a short one, and preferably after dark, when the keep and the Ninomaru are illuminated from sunset until 22:00. In daylight the grounds give you the moat, the stone walls, the shrine and the rebuilt Ninomaru interiors, and little more. If your day is tight, put the hour into Shukkeien and come back to the castle in the evening.
Why is it called Carp Castle?
Carp Castle is the English rendering of the Japanese nickname Rijo, and the city's baseball club, the Hiroshima Toyo Carp, carries the same name. The stadium is at the other end of town: Mazda Zoom-Zoom Stadium Hiroshima, 2-3-1 Minamikaniya, Minami-ku, lies about 10 minutes on foot from the south exit of JR Hiroshima Station, so do not plan to combine it with the castle grounds on foot.
Can I fit the castle grounds and Peace Memorial Park into one morning?
Comfortably, if you start with the park. The Peace Memorial Museum opens at 7:30am all year round, while the Ninomaru buildings do not open until 9:00, so take the museum first and the castle afterwards on the walk north. Entry to the museum's permanent exhibition during the early-morning and late-evening extension windows needs an online reservation.
When are the afternoons shortest at the castle?
October through March is the window, when the Ninomaru closes at 16:30 and last entry is 16:00. That includes the autumn colour period: Japanese maple in Hiroshima normally turns around 22 November and ginkgo around 15 November, by which point the light goes early. The illumination from sunset to 22:00 works in your favour in those months.
Do any guided tours still go inside the keep?
No. The interior has been closed since March 2026 because of deteriorating concrete and ageing building services, and no operator can get access. If a listing describes climbing the tower or the view from its top floor, the description predates the closure. The exterior can still be viewed and the Ninomaru buildings remain open on their seasonal hours.
Read also
