Through this marked out loop, you will discover the sources of the Durdent, a small seine-marine river located in the heart of the Pays de Caux and which takes its sources in Héricourt. You will have the opportunity to admire a panorama on the valley but also a varied landscape of forest and plains. The valley of the Durdent has inherited a rich and varied heritage typical of the Pays de Caux: mills, dovecotes, chapel...