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Published route(s)
From D'Huison to La Ferté-Alais, via the Essonne valley
Follow paths and small roads from D'Huison-Longeville to La Ferté-Alais, meandering along the water’s edge, through villages and across the hillsides of La Ferté-Alais, passing the educational farm.
You pass through D'Huison, Cerny, La Ferté-Alais and Guigneville.
Circular route from Sermaise to Roinville, on either side of the Orge
From Sermaise to Roinville via the GR®1 on the southern slope of the Orge, through woods and fields and a few hamlets, then back to Sermaise via the northern slope, to the edge of the Bois du Marais.
From the Bois du Marais to the Saint-Evroult warren via the two valleys
Starting from Le Marais, crossing La Rémarde, the Bois du Marais and L’Orge at Saint-Evroult, to Le Mesnil on the southern hillside, and returning via Sermaise to rejoin the Bois du Marais. A succession of woods, villages and the edges of farmland.