Vireux-Molhain National Nature Reserve

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Vireux-Molhain National Nature Reserve
IUCN category III (natural monument or feature)
Location	Ardennes, France
Nearest city	Givet
Coordinates	50°05′39″N 4°42′26″E / 50.09417°N 4.70722°E / 50.09417; 4.70722
Area	1.82 ha
Established	March 14, 1991
Governing body	ONF Ardennes

The Vireux-Molhain national nature reserve (RNN104) is a national nature reserve of geological and paleontological interest. It is located in the Pointe de Givet, department of Ardennes, on the border between France and Belgium. It covers an area of 1.82 ha.^[1] The site is known as Customs Wall (Mur des Douaniers) as it is near an old customs post. This outcrop of Middle Devonian shale (Eifelian: ± 397 million years) is notable for the quantity and good state of preservation of its fossils. Trilobites are well-represented.