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Starting point: Grille Royale du Parc de Marly, right next to the Musée-Promenade. Parking is available in a small car park overlooking the roundabout where the N186 meets the D386.
Access: Take the A13 motorway and exit at "Saint-Germain-en-Laye". Near the roundabout, do not take the small tunnel that leads to the centre of Marly-le-Roi.
In order to allow for a significant extension of this rather short route, OSM Trails was chosen as the base map.
Red and yellow markings
(S/E) With your back to the Grille Royale and the Musée-Promenade, go around the roundabout on the right (on the left, there is no pedestrian crossing). Go through the gate (no. 21) and enter the Parc Communal de la Pelouse. Go around the lawn on the left. At a fork (not shown on the map), take the path on the right, follow the Liaison Verte (sign) and go down into the park. At the roundabout, cross the street and follow the Chemin de la Chasse du Roi opposite. Go down the steep slope and, at the fork, turn right (dead end).
(1) At the forest gate, continue straight ahead and walk along private gardens on your left. Ignore the paths on the right. At a fork, take the left path, go downhill and you will come to a clearing, the Pelouse de l'Etang Sec (information sign). Continue with the lawn on your right and, at the corner, go straight ahead in the same direction, going uphill. Ignore a path on the right (not shown on the map), go downhill and, at a fork, turn right. Go uphill again and pass between two beautiful beech trees, one of which has an arrow pointing to the right.
(2) At the T-junction, turn right and, at the fork immediately after, turn left (the map is unclear here). At the next junction (plot no. 213), continue straight ahead (south-east). At the next fork, leave the sports trail on the left and continue straight ahead. At the next junction at the bottom of a descent (plots nos. 209 and 212), continue straight ahead.
No signposts
(3) At the junction with a large oak tree marked plot no. 207, leave theGRP® and turn right at a right angle (south-west). Climb gently and steadily.
Red and white markings
(4) At the top of the hill, turn right and follow theGR®1along a wide path that soon narrows. Walk alongside a tree farm on your left and ignore the paths on your right. At a crossroads (fire hydrant on the right), turn left at a right angle and ignore the vague paths on your right. At a fork (plot no. 223), turn left. Go through a forest gate and come out onto a small road (large property gate opposite on the left).
No signposts
(5) Cross the road and take Chemin de Béjuet opposite, a wide, stable track between two gates (note a statue on the left).
(6) At the end of the path (gate on the left), enter the Domaine de Beauregard through the small gate in the wall. Note the "Sortie de camions" sign on the wall on the left, which can be used as a landmark on the way back. Just after entering, take a path on the right that runs parallel to the wall but at some distance. Ignore a path on the right and stay on the main path. When it widens into a sort of crossroads at the foot of a large oak tree on the left, turn left and pass at the foot of another oak tree on the right with characteristic traces of branches cut high up.
Cross a small paved road and you will immediately come to the Etang de Bechevet. Go around the pond on the right. At the tip of the pond, cross a wooden bridge over a stream and turn left to continue along the pond on your left. At the south-east corner of the pond, leave it and take a path opposite on the right which climbs and quickly turns left. Continue through the woods until you reach a large lawn with trees on your left.
(7) At the corner of the lawn, ignore the path that branches off to the right (south-west) and follow the lawn on your left along a path that starts at the foot of a tree with a green paint circle. This path is not shown on the map and, heading south-east, runs parallel to the Allée de la Grande Promenade. Cross two small paved passages in succession. At a crossroads (green post on the left), turn left and head north-northeast across the tree-lined lawn.
At a crossroads (bench on the left), go straight ahead downhill. At the next crossroads, turn left onto a small paved road. At the entrance to the woods and before the road climbs, take a discreet path on the right that enters the woods. Ignore vague paths on either side and climb towards the estate wall that is in view. At a junction with a tarmac driveway that forms a U-shape, follow it to the left and, continuing uphill, return to the gate in the wall that you came through on the way there.
(6) Follow the Chemin de Béjuet between the two gates, in the opposite direction to the way you came.
Red and white markings
(5) Turn left onto the small road (Chemin des Gressets). For about 250m, follow the Bassin de Louveciennes on your left, of which only the dyke is visible.
No markings
When you reach a large information sign on the right, leave the road on the right, go through a forest gate and follow a wide path in the forest heading north-east. At the next crossroads (plot no. 225, small information sign on the left), turn left. Continue straight ahead (north-west) through plots nos. 226, 227 and 229, ignoring all the side paths and staying on the main path which is slightly elevated. At the end, you will come to a fence marking private property. Turn right onto the path and follow the fence on your left (note the Mausoleum of Marshal Joffre on your left).
When you reach the large house, leave the fence and turn right onto the path (plot no. 230). When a path comes from the right (plot no. 229), follow it to the left. After less than 100 m, at a fork (tree marked with no. 30), take the less obvious path on the left (be careful not to miss this fork; if you do, find the marked path you took on the way up and follow it to the left). Go straight downhill until you reach a forest gate.
Red and yellow markings
(1) Turn left and follow the paved lane (Chemin de la Chasse du Roi taken on the way there). At the next intersection, continue to the left and climb steeply. At the crossroads at the top of the hill, take the path diagonally to the left that enters the Parc de la Pelouse (just to the left of Rue du Parc de Marly). At the fork that appears immediately, turn right and climb gently. At the forest gate, turn left, then right to go through the park gate. Go around the roundabout on the left and return to the starting point (S/E).
Visorando Member
Difficult 
Moderate 
