In smalls groups (max. 15) accompanied by a Ranger, follow the mysterious underground course of the Lesse river and learn more about this strong-willed river. Take a journey from the Belvaux Chasm sinkhole (in the heart of the Wildlife Park) to the Trou d'Enfaule Hole in the centre of the Earth! Select the language of your visit below (French and Dutch only available). | Ticket desk | Online | |
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Adult |
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Online : | |
Child (6-11 years) |
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Online : |