Explore hiking trails around Saint-Omer-en-Chaussée, Picardie. The best hike near Saint-Omer-en-Chaussée is Centre aquatique Youri Gagarine via Boulevard Youri Gagarine and Rue du Nord, a 4.0 mile out and back trail in Butte des Châtaigniers. Saint-Omer-en-Chaussée has population 1244.0.