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Start from the bench of the underground aqueduct of La Vanne and Le Loing (masonry structures), along the D83 road west of the village of Soisy-sur-École. Parking is available along the path parallel to the bench or at the edge of the woods.
Yellow markings
(S/E) Follow the path north towards the woods. At the edge of the woods, cross a path which, on the left, is lined with small posts (across the width of the underground aqueduct). Step onto the left side of the aqueduct and, in the middle of the bollards, turn right (yellow arrow on the last bollard). Climb between the rocks on a steep slope.
N.B. Several trails intersect on the climb, so follow the markings carefully, which are dense in this area.
Yellow + orange markings
At the top of the hill (private property barrier on the right), continue north. At a fork (not shown on the IGN map), follow the path on the right which leads to a crossroads.
Red and white markings
(1) At the crossroads, take the second path on the left and follow theGR®11. Immediately cross a path and then, at a fork, go left. Descend briefly, climb up a few small rocks that form a sort of steps and turn right immediately. Walk westwards along a winding sandy path with a few rocks protruding from the ground. At two forks (not shown on the map), always take the left path. The path veers south-west and reaches a short field boundary on the right-hand side.
(2) Continue along the path through the undergrowth and soon you will come to a second field on your right. Ignore a vague path on the left and continue south. At a crossroads, continue straight ahead and, a few metres later, turn right and leave the woods. Continue east-northeast, ignoring any paths branching off to the sides. After passing a wasteland on your left and then a final patch of woods, walk about a hundred metres across the fields (radio tower in the distance opposite).
(3) At the crossroads, turn left (no signpost here) and follow a farm track south to the D83 road. Cross the road and take a path opposite, slightly to the right, with woods on your left. Enter the woods and you will come to a metal gate blocking the path (there are no fewer than three signs indicating that entry is prohibited).
(4) Turn right and follow a fence on your left along a path that is poorly marked in places. At the end of the path, turn left and, at the fork immediately ahead, turn right. At the next fork, take the left-hand path. Continue west with a fence on your right. Near elevation 131, ignore a path on the right, veer left and continue along the path for about 100 metres.
(5) At a sort of pit surrounded by large boulders (an old sandstone quarry?), leave the path and turn left. Be careful, as the start of the path is inconspicuous. There is no signpost, just a marker on a rock on the ground on the left and a cross if you continue along the path.
Head south and descend steadily along a path with a few exposed rocks.
(6) At the bottom, at the edge of the field, turn left towards some houses. The path quickly gives way to a tarmac lane. Follow it to the end, ignoring a small road coming from the right. After the last house, continue east-south-east on a path at the edge of the woods and ignore the paths leading off to the left into the woods or to the right between the fields.
(7) At the EDF power station, turn left, enter the woods and, at the fork immediately ahead, turn right. Heading generally east, alternate between paths through the woods and paths along the edge.
Orange markings
(8) At the corner of the woods, just before the D948 road, leave theGR®11, which continues towards the road, and turn left onto a path that is poorly marked in places and runs along the edge of the woods on your left and a field on your right.
Orange + yellow markings
(9) At the end of the field, turn left and follow the wide grassy bank of the underground aqueduct of La Vanne and Le Loing. Leave the masonry structures of the aqueduct on your left. About 150 metres later, at elevation 89, follow the bank that heads north-northeast and crosses a path.
Yellow markings
At a fork (not shown on the map), take the right-hand path and enter the undergrowth. Wind your way along, alternating between short ascents and descents. Return to the wide grassy bench and follow it along the edge of the woods on your left.
(10) Continue along the aqueduct path, which turns right and heads between the fields. Cross a path and pass at the foot of an isolated tree on the right-hand side. Turn right and you will reach a masonry structure of the aqueduct. Go through a forest gate, cross the D83 road and continue either on the bench or on the path to its right to return immediately to the car park (S/E).
Visorando member
Difficult 
Easy 
Association / Club / Walk leader
