Work is underway on the N5 and frequently alters access to our site. We advise you not to follow your GPS to reach us, instead follow the detour signs and/or the tourist signs ‘Grottes de Neptune’.
3 km to the north of Couvin, 500 m from the N5, towards Petigny.
By public transport
SNCB trains: line 132 – Charleroi-Couvin or line 132 – Charleroi-Mariembourg.
TEC buses: line 56 – Namur Couvin (Couvin SNCB – Petigny (village) – line 156c Chimay-Mariembourg-Pesche, Frasnes monument stop.
Big parking lot easily accessible by cars and buses at the entrance of the site.
N 50° 3′ 57.958″ E 4° 30′ 43.32″