Bernard Ollivier (born 1938) is a French journalist and writer, known in particular for his travel stories and as founder of the Seuil Association, a non-profit organization based in France, which seeks to reintegrate young people through walking.

[3] The success of the first volume of Longue marche (Traverse l'Anatolie) enabled him to found the Seuil Association,[6] the goal of which is the reintegration of troubled young people into society by taking long, cellphoneless and chaperoned walks in foreign countries.

[7] After meeting Bénédicte Flatet on a canoe trip down the Loire River, he embarked with her on a walk across Europe, from Lyon, France, to Istanbul, Turkey, completing, in a sense, his Silk Road journey at 75 years of age.

The pair recount their adventures in an unanticipated fourth volume to the Longue marche series, Suite et fin, published in 2016.

To this end, the association has organized two "Marches pour demain" (Walks for Tomorrow) in Brittany, France, the first in 2021 and the second scheduled for July 2022.