The Centre écologique de Port-au-Saumon, central area of the Charlevoix Biosphere Reserve, enjoys an exceptional site of nearly one hundred hectares along the St. Lawrence river. CÉPAS is recognized as a thematic center of the Saguenay-Saint-Lawrence Marine Park in addition to being a partner of the Charlevoix GeoParc. Part of the CÉPAS territory has been developed into interpretive trails for the public fond of ecotourism. The center offers educational activities related to terrestrial and marine ecosystems.