Trail patrimonial André d'Ormesson - Ormesson-sur-Marne 2027

The Trail patrimonial André d'Ormesson begins at the 16th-century Château d'Ormesson in Ormesson-sur-Marne, southeast of Paris. This spring trail event offers short and longer course options, with routes around 5 km, 10 km, and a longer race of approximately 21 to 22.5 km featuring roughly 400 to 450 metres of elevation gain. The course primarily follows forest paths and park alleys, crossing the grounds of the Château d'Ormesson and Parc du Morbras, with sections extending towards Noiseau and Sucy. Participants will encounter technical climbs, challenging descents, and a unique passage through château parkland on race day. The event is suitable for walkers and families, and competitive runners can combine it with La Sagittaire and La Foulée Verte for the Challenge SOM des Forêts ranking.