Have you ever heard of Okunoshima, Japan’s rabbit island? At first glance, it’s one of the most kawaii places we’ve ever seen and an easy day trip from Hiroshima – but it conceals a dark secret. 

One of the things I really wanted to do when we went to Japan was visiting Cat Island. If you know me, you’ll know I love cats – the fact that Kuching means ‘cat’ in Malay was reason enough for me to visit Sarawak, and I chase cute cats and kittens anywhere we go, from Cape Town to Jerusalem.

When I started researching the matter I found out that Japan didn’t have one, but ELEVEN cat islands – sadly, none of them was close to where we were heading, and with only three weeks in the country we had to give up on the idea.

okunishima japan rabbit island bush

Get ready for a furry kawaii overload!

Visiting Okunoshima aka Rabbit Island

However, we found out that there was another super-kawaii (cute) place – Okunoshima, also known as Usaga Jima, or Rabbit Island, because of the 1000+ cute furry critters that call it home. Okunoshima is about 50 km from Hiroshima, easy to reach with a bullet train and ferry combo and making for a perfect day trip from the city.

The popularity of Okunoshima is hardly a secret, made famous by viral videos of ‘rabbit stampedes’ and articles from major newspapers – but when we got off the ferry and set foot onto the island, there were only another dozen or so people. It was a rainy day in late September, with mist and low clouds hanging over the Inland Sea, hiding the island from sight until we had it right in front of us.

okunishima japan rabbit island feeding

Bunnies hounding a visitor for treats

Soon, we were surrounded by bouncing bunnies of all different shapes and sizes – babies looking like cotton fluff, black rabbits, orange rabbits, rabbits with mottled brindle fur, even some huge alpha rabbits bearing battle scars. A furry, bobbing crowd hounding visitors for treats – and losing interest as soon as they realised you didn’t have any.

The Poison Gas Factory, the dark side of Okunoshima

Yet, Okunoshima is not just cute – it’s a dark and mysterious place, with a history shrouded in secrecy. If you looked at at a map of the Inland Sea prior to 1945, there would be no trace of the island. Okunoshima was a top-secret military location, housing a poison gas factory that produced chemical weapons.

Production of poison gas on what is now Rabbit Island started in 1929 and continued until the end of the war. The main agents produced were yperite (mustard gas) and lewisite, causing blistering to the skin and lungs after exposure. Not many people were aware of the existence of the Okunoshima poison gas factory while it was still functioning, besides factory workers and upper military echelons.

bunny on wall okunoshima japan

A rabbit next to the factory ruins

Japan was one of the signatories of the 1925 Geneva Protocol, banning the use of chemical and biological weapons. Yet, it was estimated that over 80,000 people, mainly civilians, died during the Japanese occupation of China from poison gas produced on Okunoshima.

Not many people are aware of Okunoshima’s dark secrets nowadays – remnants of the poison gas factory still stand, amid the bouncing bunnies and bucolic scenery of Okunoshima, but they’re largely ignored by day trippers. Most people visit Okunoshima for the rabbits, to get that kawaii overdose that is the perfect antidote to the harsh reality of working in Japan – as we saw during our otaku tour of Akihabara.

okunoshima factory ruins japan

One of the factory buildings standing empty in Okunoshima

As the day went on and the weather improved, more people descended from the ferry – not just children and tourists, but also lone middle-aged men and women, all clutching a transparent plastic umbrella and bag of rabbit food.

Yet, we were the only ones visiting the Okunoshima museum, opened in 1988 to share the horrors of what happened on the island. The museum is small and mostly aimed at Japanese visitors – but you don’t need to speak Japanese to see the horrific pictures of poison gas victims, exhibited in one of the two rooms of the museum.

Hiroshima and Okunoshima

Visiting the Okunoshima Poison Gas factory was even more meaningful considering that the day before we had joined crowds of tourists and Japanese schoolchildren visiting the huge Hiroshima Peace Memorial Museum, detailing the apocalyptic effects of the atomic bomb that hit Hiroshima on Aug 6th, 1945. About half a million visitors cross the doors of the Hiroshima museum every year, and barely 50,000 make it to Okunoshima.

Yet, in the words of Hatsuichi Murakami, the former curator of the Okunoshima Museum who worked in the poison gas factory as a teenager, ‘if you ask why America dropped the atomic bomb, Japan should also ask why it made chemical weapons at Okunoshima’. 

okunoshima inland sea japan

Okunoshima on a rainy September day

Much has been written about Japan’s victim consciousness – war remembrance in Japan seems to turn victims into heroes, focusing on atomic bomb remembrance but neglecting to acknowledge the horrors perpetrated by the Japanese during the war.

The Okunoshima Museum confirms and denies this at the same time. On one hand, the museum is small and rarely visited – with only a fraction of those coming for the bunnies actually paying a visit. On the other hand, there is a museum, and the effects of poison gas are portrayed in a raw, eye-opening way.

Once again, Mr. Murakami explained that very eloquently. ‘My hope is that people will see the museum in Hiroshima City and also this one, so they will learn that we were both victims and aggressors in the war. I hope people will realise both facets and recognise the importance of peace.’

So, How did Okunoshima Become Rabbit Island?

When the poison gas factory was in function, rabbits were used to test the effects of poison gas. Some have claimed that the rabbits now roaming Okunoshima are the descendants of the same test rabbits, freed by workers when the end of the war was approaching.

bunny island japan rabbit with camera

He decided to help with pictures

In fact, it is more likely that all rabbits were euthanised by US soldiers when the factory was dismantled after Japanese capitulation. A new rabbit colony was brought onto the island in 1971 by a group of schoolchildren – they bred and thrived, as the island was completely predator-free. Were the rabbits taken to Okunoshima as a way to exorcise what the island meant in the collective memory, using ‘cute’ to escape horror? No one knows for sure.

Nowadays, the rabbit population exceeds a thousand, even though the exact numbers are unknown. Ever since the island gained popularity, and tourists started visiting in increasing numbers, bearing food and treats from the mainland, the rabbit population has been growing at an unsustainable rate.

rabbit running bunny island

Oh hello bunny!

Researchers that spoke with takepart.com have reported that the ‘rabbit boom’ on Okunoshima as a result of viral articles and videos may actually damage the rabbits. The situation is complicated – on one hand, it’s impossible for the rabbits to fend for themselves. Okunoshima is still severely polluted – so much so that visitors are warned not to stray from official paths – and there isn’t enough food and space for so many rabbits on an island that is only two square miles.

However, instead of purchasing rabbit food, many tourists bring cabbage or vegetable peelings causing potentially deadly bloating. Moreover, reliance on tourists for food means that rabbits end up gorging themselves on sunny days when lots of people visit the island, and virtually starve when it’s cold and rainy and no-one visits. As a result, the lifespan of rabbits on Okunoshima island is only two years, while usually wild rabbits live between three and five years.

rabbit relaxing on beach japan

Chillin’

Visit Okunoshima Responsibly

Yet, the survival of Okunoshima rabbits relies on tourists. The rabbits are classified as wild animals, and no one feeds them when tourists don’t come. Yet, if the government caught wind that the increase in visitors is harming the rabbits, access to the island would be restricted and hundreds of rabbits will no doubt die.

okunishima japan rabbit island three

The badass Bunny Island gang

So, do we recommend visiting the Rabbit Island? Yes. It’s a fascinating place, both because of the kawaii rabbits (I don’t think anyone can deny that), and because of the island’s dark wartime secrets. Yet, please don’t visit the island carrying cheap, unsuitable food, in the hope to get a rabbit selfie or a ‘smothered by rabbits’ photo. Instead, stock up with rabbit food on the mainland (remember, it’s not sold on the island) and wander around – don’t just feed the rabbits gathering around the ferry landing or near the hotel.

Take time to learn about the place, about its history and contradictions, and do your part to take care of its cute inhabitants, that make Okunoshima the rabbit island such a special, unique place.

japan rabbits on wall

Yep, these guys are all kinds of cute *insert heart eyes emoji*

Getting to Okunoshima from Hiroshima

Getting to Okunoshima from Hiroshima is reasonably straightforward and absolutely doable as a day trip. Just follow this step by step guide:

  • Take the Shinkansen from Hiroshima to Mihara station. Travel time is about 25 minutes.
  • In Mihara, change for the Kure line to Tadanoumi, taking a further 25 minutes. There are wonderful views over the Inland Sea from the left-hand side of the train.
  • Check train timetables on Hyperdia.
  • The train journey is covered by the JR pass if you have one.
  • Once you get to Tadanoumi, the ferry terminal is just a short walk away – you can get tickets and rabbit food there.
  • This is the ferry timetable – the table on the left includes the time leaving Okunoshima Island, 大久野発, and the table on the right is for departure times from Tadanoumi, 忠海着, to Okunoshima.
  • Round trip ferry fares are ¥320 for adults, ¥160 for children.
  • There’s one hotel in Okunoshima if you miss the last ferry or just want to explore further.

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rabbit island pin

okunoshima pin

2 Responses

  1. Tam

    Wonderful blog and great information about visiting Rabbit Island! I just went there this week and had a lovely time meeting the rabbits and exploring the island’s dark past (abandoned buildings). I find the history incredibly fascinating as well as sad. Thanks for all the great information! I hope you don’t mind but I linked your blog on my own about Rabbit Island.

    Tam @ http://freshcoffeestains.com/rabbit-island/

    Reply
    • Margherita

      Thank you so much Tam and thanks for the link! Heading to check out your blog post right now 🙂

      Reply

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