Onsens are natural hot springs that are popular tourist attractions in Japan. Here are some general things to know about Japanese onsens that can help tourists plan their trip:

  1. Oldest Onsen: Dogo Onsen in Matsuyama, Ehime Prefecture, is considered the oldest onsen in Japan, with a history dating back over 3,000 years.
  2. Number of Onsens: There are over 3,000 onsens in Japan, with many located in rural areas and mountainous regions.
  3. Purpose: Onsens are known for their relaxing and healing properties, and are often visited for their therapeutic benefits.
  4. Etiquette: Visitors to onsens are expected to follow certain etiquette rules, such as washing thoroughly before entering the bath, not wearing swimwear, and not bringing towels into the water.
  5. Popular Onsen Areas: Some of the most popular areas for onsens in Japan include Hakone, Beppu, Kusatsu, and Noboribetsu.

When planning a trip to Japan, tourists can consider visiting one or more onsens to experience the unique and therapeutic properties of the hot springs. It is important to review the etiquette rules before visiting an onsen to ensure a respectful and enjoyable experience.