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  • Trails, walks and visits

In July and August, visitors will have the chance to follow the traces of a lost river in the Caves of Han.

A journey into the earth

From the Belvaux chasm to the Enfaule hole to the centre of the earth... Follow the mysterious course of the Lesse river, which dives underground and discover the  in a new light. The visit is led by a ranger and the groups no bigger than 15 participants.

Practical information

  • Dress up warmly
  • Minimum age: 6 years
  • Duration: 3 hours
  • Booking is mandatory: you can get your tickets online
We do our best to keep you informed. It's best, however, to check the latest news with the attraction you are visiting, or operator you have booked an activity with. Read our travel advice.
This information is given for indication purposes only, best to check with the site you hope to visit before heading there - by phone, email, social media or simply by visiting their website.

From 05 July to 23 August 2024


  • July 7th, 14th, 21st, 28th
  • August 04th, 11th, 18th, 25th Pass Pass

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Wallonia, Destination Nature