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Rideau: a rather local term for a hedge of copses to break the wind, which is commonly found on this hilly route in the heart of the green Vimeu region. There are some lovely stretches along the banks of the Trie and a ford near the Chaussoy manor house that is well worth admiring before tackling a steep climb through the undergrowth. This route is signposted by the local council, but this version is a shortened one.

Starting from the charming village of Cahon, nestled in the Trie valley, this lovely walk will take you to Quesnoy-le-Montant before returning along pleasant paths through woods and pastures to your starting point. The inhabitants of Quesnoy-le-Montant are called Quercitains, hence the name of this walk. As for Cahon, the starting and finishing village, you will find a flour mill that is still in operation and produces flour, one variety of which is reserved for the "Avocette" baguette sold in Quesnoy-le-Montant, but also in other bakeries in the Somme. In short, this is a gastronomic and heritage walk.

A lovely alternative route to the Tœufles route (signposted), starting from the opposite end towards the Source de la Trie. This lovely walk has been made possible by the development of a route called “La Trie enchantée”, created by the Vimeu Community of Communes.