Discovery of the history of the town of Niederbronn-les-Bains. Visit the ancient baths with the free Via Janus application allowing you to visualize in augmented reality a 3D reconstruction of the Roman building.

Successive archaeological excavations have established the existence of a Roman city between the 1st and 4th centuries AD, with large thermal facilities. The Roman baths certainly experienced significant activity until the barbarian invasions of the 5th century. The baths will experience a new period of prosperity at the end of the 16th century with Philippe V of Hanau who proceeds with the construction of a bath house, the recapture of the source and the first water analysis. This initiative quickly made it possible to gain unanimous recognition of the beneficial effects of the springs. The Thirty Years War brings its share of misery and ruins with the destruction of the city and the thermal baths.

Discover the ancient baths with the free Via Janus application: it is now possible to take a guided tour of these remains directly on your smartphone, independently and 7 days a week, and to view a 7D reconstruction of the Roman building in augmented reality. To live this experience, go to the site of the remains, at the corner of rue des Romains and Soeur E. Eppinger. In a playful tone, by following the exchanges between the two faces of the God Janus, you will discover how baths were practiced in the times of the Roman Empire, as well as sometimes surprising details of daily life in our city nearly 3 years ago.

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Spoken languages

  • English
  • German
  • French


Type of clientele

  • Adults (individuals)

Type of guided tour

  • Visit with guide tool


All year 2024 every day from 08:00 a.m. to 20:00 p.m.


Accès libre



  • Less than 200 m from free public parking
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