Parc naturel marin des Estuaires picards et de la mer d'Opale has 1 named peak. The highest is Cap Hornu at 8 m.
There are 1 named mountains in Parc naturel marin des Estuaires picards et de la mer d'Opale. The highest and the most prominent mountain is Cap Hornu.
The highest peak in Parc naturel marin des Estuaires picards et de la mer d'Opale is Cap Hornu, at 8 m.
Notable peaks in Parc naturel marin des Estuaires picards et de la mer d'Opale include Cap Hornu.
