Access via the D918, just after the hamlet of Artigues, before La Mongie. A few parking spaces are available alongside the D918. Alternatively, park in the hamlet of Artigues; a signposted path leads to the D918.
(S/E) Take this road uphill and turn off to the right (take care) to join theGR®®10C, marked in white and red, at a bridge. Note: after about 50 metres, leave the path to see the beautiful Arizes Waterfall. Return to the path and continue to the right to reach the Cabanes de Tramazaygues crossroads.
(1) Go round them by turning right. Cross the bridge and follow theGR®®10Cto the left. Walk along the left bank of the Adour d’Arizes. You’ll reach the Pont des Vaquès.
(2) Cross the bridge; here, leave theGR®® and turn left onto the yellow-marked path towards La Mongie. Climb steadily through the rhododendrons. Pass thefirst pass, then reach thesecond pass, the highest point of the walk.
(3) Head back down, following the signposted path, until you reach a Y-junction.
(4) Turn left and follow the power lines to reach the Castillon Dam.
(5) Continue along the same path, ignoring all side paths to the right or left, until you reach the junction you passed on the way out.
(1) Follow the outward route in the opposite direction to return (take care) to the car park beside the D918 (S/E).