The Neptune Caves, also known as the Grottes de l’Adugeoir are a series of natural caves near Petigny in the municipality of Couvin, Belgium. They are located on the Eau Noire river, a tributary of the Meuse.
Nestled in the heart of the Calestienne, the Neptune caves welcome you to a unique and preserved part of nature! Walk through the caves to discover an underground world of concretions, fossils, etc. or be guided on our paths to find typical species from this Natura 2000 protected corner of nature. Finish your visit on a high with a wonderful sound and light show in small boats on the underground river.
