Fécamp is a commune in the northwestern French department of Seine-Maritime. Fécamp is situated in the valley of the river Valmont, at the …Fécamp is a commune in the northwestern French department of Seine-Maritime. Fécamp is situated in the valley of the river Valmont, at the heart of the Pays de Caux, on the Alabaster Coast. It is around 35 kilometres northeast of Le Havre, and around 60 kilometres northwest of Rouen.