Tourisme et loisirs de nature sur les sites préservés du littoral Nord - Pas-de-Calais

This paper sussests to clarify some concepts of coastal areas conservation and of their social use in matter of tourism and leisure. It is based on the example of the Nord-Pas-de-Calais coast. In this densely urbanised and industrialised resion, the restricted natural areas are subject to strons pressures. Their manasement deals with a great variety of interests. After a focussins of the concepts and of the stakeholders concerning conservation and public access on natural sites, the fluxes of frequenting and the public reception strategies are studied. Finally, guided field trips are analysed as products of nature based tourism and leisure.