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Park at the Carrefour des Grands Feuillards, where the road is closed to traffic on the Route de la Plaine de la Haute Borne when approaching from the D301 (Route ronde). The junction for the Route de la Plaine de la Haute Borne is on the D301 between the D152, which links Ury and Fontainebleau, and the D409, which links Arbonne-la-Forêt and Fontainebleau.
No signposting
(S/E) Head south-east and take the Route de Joinville, passing a small car park on your left and a sort of gantry on your right. Carry on straight ahead into the forest and cross, in turn, the Route du Décagone and the Route Circulaire. Cross the D152 ( a very busy road) and continue along the path opposite, still on the Route de Joinville.
(1) At the junction, take thesecond left, the Route du Chêne aux Chapons.
Red and white markings
At the next junction, carry on straight ahead on theGR®®13. Cross the D301 ( with care) and take the Route du Mauvais Passage opposite.
No signposts
(2) At the Carrefour du Lièvre, take thesecond left, still following the Route du Mauvais Passage. Walk northwards at the foot of a hill with steep slopes on the right-hand side. Cross the Route des Soupirs and then the Route des Regrets.
(3) At the crossroads, turn right (east) and, at the Fork in the road that appears immediately, take the left-hand path (east-north-east), still following the Route du Mauvais Passage. Pass between two rocky hills. At the next crossroads, take thefirst left (west), the Route de Valmy.
(4) Cross the D152 ( a very busy road) and take the path opposite, which starts behind a forest gate. Climb steadily between two slopes covered with moss-covered rocks and under a canopy of ferns.
(5) At the top, at a junction (sign for a strict nature reserve), turn sharply right. The path soon leads to the Carrefour Paulet. Turn left here and head downhill along the Route de la Chimère. The path, which appears to be little-used, gradually becomes overgrown with ferns. You’ll reach the Carrefour de l’Épicéa, which, as the name suggests, features a spruce tree in its centre.
(6) Then take thethird turning on the right, the Route Paulet. Head north, cross an unmarked path and then the Route d’Achères. At the next junction, turn left onto the Route du Petit Feuillard and head slightly uphill.
(7) At the top, at a junction, turn sharply right onto a path that is overgrown at the start. Descend steeply. You’ll come out onto a wide track (the Route de Milly) and follow it to the left for about a hundred metres.
(8) Then turn right onto the Route du Venin. The path is poorly marked amongst the ferns, but the signpost indicating it is clearly visible. Follow this path and climb in zigzags through a rocky scree slope. A few green markers dot this ascent. At the top, you’ll cross a path running at right angles; continue straight ahead downhill. The path is poorly marked and lies further west than the old path shown on the IGN map.
(9) You’ll come out onto a wide track (the Route d’Occident) and follow it to the left. Go straight on (westwards) and climb gently. After a bend to the right, at a junction (plot no. 137), turn left. Cross the D301 ( limited visibility) and continue straight ahead, still on the Route d’Occident. Cross the Route de Montpensier and follow a plateau on your left.
(10) At the crossroads, take thesecond left onto the Route de la Louve. The path soon turns right and heads west. At the junction (parcels nos. 782 and 783), go straight on. Walk between the Rocher de Milly hill on your left and an open area with ferns and rocks on your right. At the next junction, carry straight on along the Route de la Louve and ignore the signpost indicating a left turn. You will arrive at the Carrefour de la Louve.
Yellow signposting (rare)
(11) Turn right onto the Route du Louvard. The path climbs, with a few exposed rocks.
(12) At the top, you’ll come out onto a track; follow it to the left. After about 150 m, leave this track and turn left to quickly reach the Hurlevrent viewpoint (bench, railing).
(13) Retrace your steps.
(12) Don’t miss the start of the path on the right between the exposed rocks (there are no arrows or markers here). Head for the Carrefour de la Louve.
No signposting
(11) Carry on straight ahead along the Route du Louvard, a path that soon climbs with a few short hairpin bends between the rocks. Zigzag your way back down. Cross the Route de Milly and carry on straight ahead, still on the Route du Louvard. Then cross the embankment of the Loing underground aqueduct and you’ll soon reach a T-junction (plot no. 608).
(14) Turn left here and follow the Chemin des Pieds Pourris (signposted further on). Climb a steep slope. Cross the Route d’Arbonne à Ury and head back down. Cross the Route de la Goulotte (plot no. 610) and head back up the path, which is marked in places with pink dots. You’ll come across a faint path and cross a plateau-like landscape. At the junction with a path not shown on the map, first turn right then left and follow the path uphill. Head back down to emerge onto the Route de la Gibelotte.
Red and white + green and white markings
(15) Follow this stony track to the right and immediately ignore a turn-off to the left. Descend gently, stay on the marked track and ignore a few indistinct turn-offs to the right.
No markings
At the crossroads, turn left (let theGR®® head off to the right). At the Carrefour du Bois Rond, continue straight on along Route du Larron. Climb the winding path. At a Fork in the road, take the path on the right, which is the best marked.
Green and white markings (rare)
(16) At the T-junction (plot no. 619), turn left. At the next crossroads, take thesecond turning on the right, the Route Circulaire. Continue straight on (south-east) and cross the Route d’Achères at Arbonne.
(17) Cross a small tarmac road (no traffic) and continue straight ahead along the Route Circulaire. Stay on this path, heading generally south-east. Cross, in turn, the Route du Gros Buisson, the Route du Grelot, the Route d’Achères à Fontainebleau and the Route du Fourneau.
No signposting
(18) At the junction, take thesecond turning on the left, the Route Clémentine. Go straight on (north-east) and cross, in turn, the Route du Prince Royal, the Route de Recloses and the Route du Décagone. This will take you to the Carrefour des Grands Feuillards (S/E).
Visorando Member
Moderate 
Easy 
