Park at Place du Château in Isle en Dodon.
(S/E) Take Rue Droite in the wrong direction, almost opposite the main door of the church, then take the small alley on the left at the corner of the wine and spirits shop. Cross Place du Jardinage.
(1) Continue to the right until you reach the boulevard. Cross over to take the street opposite and join the path that starts on the left by the stream. Follow it straight ahead until you reach the road.
(2) At the "Le Plec" holiday village, take Avenue du Chemin Vert to the right and follow it straight ahead until you cross the D17.
(3) Turn left towards Saint-Gaudens, then take thefirst right onto Chemin de Montplaisir.
(4) At the end of the bend, just before thefirst house, take the grassy path on the right (visible on the OSM background) and follow it straight ahead until you reach the D55. Cross it and continue on the path opposite for about 1.5 km, then continue diagonally to the left until you reach the tarmac road.
(5) Turn right, cross the stream and, at the crossroads, turn left.
(6) After the "Tchatchatcha" livestock buildings, take the path on the right to go around them and then turn left to join the D55g.
(7) Turn left and then take thefirst right to reach the crossroads at the bottom of the hill.
(8) Turn left and follow this path along the edge of the fields, keeping south-west, for a long time, always going straight ahead. At the end, turn left and climb steeply up to the village of Puymaurin.
(9) At the road, turn right towards the town centre, pass the war memorial and walk alongside the church to take the street on the right before the central gate.
(10) At the end of the street, climb up to the left to go around the hill via the "Petit Chemin de Ronde", observe the remarkable tree and return to the church.
(11) Walk along the other side of the church, pass the Place du Capitole where the town hall is located and continue straight on until you reach the village exit.
(12) Before the school complex, turn left onto the D55 towards Saint-Férréol-de-Comminges. Go down to thefirst bend and take the path opposite on the left, following it straight ahead until you reach the tarmac road.
(13) Turn right. Cross the hamlet of Bidauche and, at the end (elevation 217), turn right and then immediately left onto the grassy path. Cross the stream and go straight up into the woods until you reach a paved road, which you should follow straight ahead.
(14) On the descent, level with the wooden houses, turn right onto the path that goes back up into the woods and follow it to the junction with the D17.
(15) Cross the road carefully and follow the road opposite the corner of the houses. Follow it to the end.
(16) At the cross, follow the road to the left, pass behind the silos, walk along the field of solar panels and continue straight ahead until you reach the D17e.
(17) Turn left until thefirst bend, where you can turn right onto the path along the lake. Follow this path on the right-hand side of the lake until you reach the holiday village, then turn right to cross it and join Avenue du Chemin Vert.
(2) Continue straight ahead and slightly to the right along the path beside the stream. Turn right and cross the boulevard.
(1) Continue straight ahead, then turn left at the first street to reach Place du Château (S/E).