Off the coast of Perros-Guirec and Trégastel, along the pink granite coastline, you will discover the Jentilez (Sept-Iles) archipelago. Listed as a protected natural site in 1912 and nature reserve in 1976 this sanctuary, which is home to some 20,000 pairs of sea birds and 27 nesting species is the oldest and largest private ornithological reserve in France. You will sail along the coast and observeRouzic Island and its silhouette whitened by the presence of birds, home to the only French colony of Northern Gannets, the largest sea birds in Europe. Its cliffs are also home to Manx Shearwaters and Peregrine Falcons. Grey seals have also found refuge in the islands.