Worth a Journey

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The World’s 100 Best Saunas & Baths

Neptunbad Sports & Spa

Cologne, Germany

  1. THE WORLD’S BEST SAUNAS & BATHS WORTH A JOURNEY · 2026 ✦ ✦ N° 75 2026
Neptunbad Sports & Spa

A sauna and spa complex in a 1912 Art Nouveau building in Cologne-Ehrenfeld, split into historic, outdoor and Japanese-style areas. Frequent sauna infusions run about every half hour, alongside an outdoor onsen and a historic pool with underwater music.

Highlights

  • Art Nouveau Kaiserbad with underwater music
  • Outdoor onsen and Zen garden
  • Tiered warm indoor pools

Good to know

  • Entire spa is textile-free, including pools
  • No phones or tablets allowed
  • Infusions fill 10 minutes before start

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