GR 1

The long distance footpath GR 1 is one of the paths in the grand randonnée network in France. It takes in the great forests outside Paris.

The starting point is the Porte Maillot metro station.

The path crosses the bois de Boulogne, goes around the hippodrome de Longchamp, crosses the Seine by the Avre footbridge (built by Gustave Eiffel) and goes into Saint-Cloud.

It crosses the parc de Saint-Cloud and comes out at Marnes-la-Coquette.

It comes to Vaucresson, then La Celle-Saint-Cloud, the upper part of Louveciennes and the edge of the park of the former Château de Marly then enters the Marly Forest.

It goes through Feucherolles (where it will eventually terminate), the small village of Davron, Thiverval-Grignon and comes to Neauphle-le-Vieux zigzagging through the countryside via Saint-Germain-de-la-Grange.

It comes to Méré then Montfort-l'Amaury where it enters the Forest of Rambouillet.

It comes out of the forest at Gazeran to go through Rambouillet town, then back into the forest as far as Saint-Arnoult-en-Yvelines.

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Wikipedia