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The World’s 100 Best Saunas & Baths

Tamatebako Open-air Onsen

Ibusuki, Japan

  1. THE WORLD’S BEST SAUNAS & BATHS WORTH A JOURNEY · 2026 ✦ ✦ N° 46 2026
Tamatebako Open-air Onsen

Municipal open-air hot spring on a coastal slope above the sea, reopened after renovation, with a large infinity-style bath and a cold bath. Men and women swap baths daily, and only one side faces Mount Kaimon.

Highlights

  • Infinity bath over the sea
  • Mount Kaimon and Takeyama views
  • Milky blue salty spring water

Good to know

  • Even days: men face Mount Kaimon
  • Photography prohibited inside the baths

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