10 Mind-Blowing Facts About Onsen, Japan’s Hot Springs

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Why Are There So Many Onsen in Japan?

Japan is a land of natural beauty, and one of its most iconic features is its many onsen, or hot springs. There are over 3,000 onsen in Japan, and they can be found in all corners of the country. But why are there so many onsen in Japan?

There are a few reasons for this. First, Japan is located on the Pacific Ring of Fire, which is a region of the world that is prone to volcanic activity. This volcanic activity heats the groundwater beneath Japan, creating the perfect conditions for onsen to form.

Second, Japan has a long history of bathing culture. The Japanese have been bathing in onsen for centuries, and it is considered to be an important part of their culture. Onsen are seen as a way to relax and rejuvenate, and they are often used to treat a variety of ailments.

Finally, Japan has a strong tourism industry. Onsen are a popular tourist destination, and many people come to Japan specifically to experience them. This has led to the development of many new onsen resorts and spas, which has further increased the number of onsen in Japan.

How Many Onsen Are There in Japan?

As of 2023, there are over 3,000 onsen in Japan. This number is constantly changing, as new onsen are discovered and old ones are closed. However, it is clear that Japan has one of the largest concentrations of onsen in the world.


  • Why are onsen so popular in Japan?

Onsen are popular in Japan for a variety of reasons, including their relaxing and rejuvenating effects, their cultural significance, and their popularity as a tourist destination.

  • What is the best time to visit an onsen?

The best time to visit an onsen is during the cooler months, when you can enjoy the warm waters and the beautiful scenery. However, onsen are open year-round, so you can visit them at any time.

  • What should I bring to an onsen?

When you visit an onsen, you should bring a towel, a swimsuit, and any toiletries you may need. You should also be aware that many onsen have gender-specific bathing areas, so you may need to bring a separate towel or swimsuit for each gender.


Onsen are an important part of Japanese culture, and they offer a unique and relaxing experience. If you are visiting Japan, be sure to add an onsen visit to your itinerary.

how many onsen are there in japan

how many onsen are there in japan

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