Departure from Lycée Alain Fournier, 3 Avenue Laplagne.
(S/E) Follow Boulevard Centulle 3,D137a, which continues as Boulevard Louis Laguens, until the junction with Avenue Saint-Roch.
(1) Turn right onto this road, D159, go through the roundabout and take Route de Monclar opposite, towards Pouylebon. Continue on this road until the junction at Monclar-sur-Losse with Route de Montesquiou.
(2) Cross the Lizet.
(3) Cross the Osse.
(4) Cross the D34 and take the Route de Marciac, D159, opposite, towards Pouylebon, uphill to the three-way junction at Soufle Bise.
(5) Ignore the D216 and turn left towards Marciac, D159. Stay on this road until the junction with the D156.
(6) Cross the Baradée.
(7) Continue straight ahead, then at the next three-way junction, turn left towards Marciac, D159. Continue to the junction with the D943.
(8) Turn left and continue on the D943 towards Marciac. Pass through the village of Laveraët and continue on this road, entering the village of Marciac and quickly reaching a four-way junction.
(9) Go straight ahead towards Église Notre-Dame, drive alongside it on your left, then turn around in Marciac's central square. Next, take Rue Saint-Jean towards Bassoues, continue to no. 42 and you will reach a junction with a stop sign.
(10) Turn left and you will soon reach the crossroads you passed earlier.
(9) Turn right and head towards Lycée Alain Fournier in Mirande via the reverse route (S/E).