Start: Allée de Molène in Colomiers (parking available).
(S/E) Take the footpath between numbers 20 and 22 to reach the small grassy path and follow it to the right, then turn left onto Allée des Mauges.
(1) Cross the street and take the pedestrian path opposite to reach Allée de Morlaix and follow it to the left to return to Allée des Mauges and turn right.
(2) At thefirst bend, take another pedestrian lane on the left. Cross Allée de Bréhat and continue straight ahead, then take the path on the far right (poorly maintained) and follow it to Chemin de Selery.
(3) Cross the road and go straight up the path opposite. Follow it down to the end of Chemin de Selery.
(4) Turn left and, before the level crossing, take the path on the right through the pine trees closest to the railway line. At the end of Allée de Guérande, turn right.
(5) Pass thefirst building and turn right. There is a passage in the hedge that leads down to the footpath along Boulevard Victor Hugo. Follow this path to the left and pass under the railway bridge.
(6) Cross the small bridge over the Ruisseau de Bassac, immediately turn left onto the path that runs alongside it and continue straight ahead until you reach Chemin de Selery.
(7) Cross and continue along the path opposite for about 50 m, turn left to cross the stream via the footbridge and continue to the right along the stony path that follows the stream.
(8) At the end of the path, turn right, then left, and cross the Ausonnelle via the brick bridge. Join Chemin de Sartha and follow it to the left for about 1 km.
(9) Take thefirst path on the left, cross the Ausonnelle again, then the railway line and return to the intersection you came from.
(3) Turn right and follow the path closest to the railway line.
(10) Join a wider path and follow it to the left, along the Aussonnelle. Cross the Bois de Monturon, pass two barriers and arrive at a paved road. Follow it straight ahead to the roundabout.
(11) At the roundabout, take the street on the left. Cross the green space straight ahead and go up the street to the end, then continue up the grassy path to Allée de l'Herbaudière.
(12) Turn left and, after about 100 m, turn into the pedestrian lane that takes you back to Allée de Molène, where you can park (S/E).