The GR de Pays en Vallée de Bresle passes through the area of Oust-Marest and runs from Aumale to Le Tréport.
Those who choose Oust-Marest as a holiday destination may wish to rent a holiday apartment.
Hiking
The Chemin entre Verre et Mer is a path approximately 15 kilometres long for pedestrians, mountain bikers and horse riders. Several walking routes have also been designated in the area of Oust-Marest to facilitate the discovery of the village and its architectural heritage. The walking routes provide environmentally friendly connections towards the Bresle Valley.
Culture
The Église Saint-Martin in Oust-Marest is a building dating from the 13th to the 16th century. It contains a 13th-century tomb slab, a 16th-century Entombment and a 15th-century Christ on the Cross. The engraved depiction of Raoul d'Aoust can be seen on the tomb slab; Raoul d'Aoust died in 1269. The church is closed but can be opened on request.
The architectural heritage also includes the ensemble comprising the town hall and school, the Mairie-Ecole in Oust-Marest. It is an attractive historic building made from regionally typical materials.
Local history
Oust-Marest has a former workers' settlement with rows of houses arranged perpendicular to the main road. The former workers' settlement bears witness to industrial activity in the locksmithing sector and to the expansion of Société Fichet since the end of the 19th century.
Nature
The Bresle is a first-category river and is home to populations of Atlantic salmon (Salmo salar).
More pages about localities: Montigny-Sur-L'hallue, Ergnies, Longueval, Cappy, Yzengremer, Amiens, Beauval, Friville-Escarbotin.
