NEPTUNE GROTTOES AKA "L'ADUGEOIR"

- Address:
Route de l'Adugeoir 24
5660 PETIGNY (COUVIN) - MAPS: Google Maps
- Opening Dates
One of the oldest underground cavities in Belgium dug by the 'Eau Noire' river about 300 million years ago!
The guided tour begins, in a natural setting of quite stunning beauty, at the foot of a Givet limestone cliff. Enjoy a fantastic setting and visit the two upper galleries, with their superb concretionary rock formations. During this journey, you can also admire impressive varieties of bats. The visit continues with a boat trip along the underground river, highlighted by an unusual "music & light" display, unique in Europe. Finally, enjoy the music of Vangélis and amazing stroboscopic effects.
Guided tours:
From 01/04 to 30/06: 11 am, 11.45 am, 1 pm, 145 pm, 2.30 pm, 3.15 pm, 4 pm. From 01/07 to 31/08: 11 am, 11.45 am, 1 pm, 1.45 pm, 2.30 pm, 3.15 pm, 4.45 pm, 5.30 pm. From 01/09 to 30/09: 11 am, 11.45 am, 1 pm, 1.45 pm, 2.30 pm, 3.15, 4 pm. From 01/11 to 30/11: 1 pm, 1.45 pm, 2.30 pm, 3.15 pm.
Tape-guided visits: FR, NL, EN.
Visit duration: 45 min.
Access:
Car: 3 km at the North of Couvin, 500 m from the N5, road of Frasnes direction Petigny.
Train: line 132 Charleroi-Couvin or line 132 Charleroi-Mariembourg.
TEC: line 56 Namur-Couvin (Couvin SNCB or Mariembourg SNCB - Frasnes (Monument).
Parking possible for cars and buses at the site entrance.
Children younger than 4 years: admission free.
Visit our partners' webpages
- VIROIN ECO-MUSEUM
- Castle and Gardens of Freÿr sur Meuse
- The Han Caves - the Speleogame
- LES FERMES DU BONHEUR
- Annevoie Gardens









