| Km 0 : Take WSW compass point to pick up oued Ahssia (cap 238°). |
| Km 0.5 :
Sandy hillock. |
| Km 0.7 :
Beginning of oued. |
| Km 1.1 :
Edge of hilly area on right.
Go West through the oued (cap 268°). |
| Km 3.6 :
Hilly area on left. |
| Km : 4.1 :
After leaving oued, go WSW (cap 238°)
until you reach km 8.6. |
| Km 6.6 :
Cross wide track. |
| Km 8.6 :
Beginning of small village, leave fields on your left.
Take the track. Go WSW (cap 251°) until you reach CP1. |
| Km 11.5 :
CP1 to the left of last house.
Go W (cap 266°) until you reach km 18.5. |
| Km 14.2 :
Cross a track. |
| Km 15 :
Cross branch of oued. |
| Km 15.5 :
Take the track. |
| Km 18.5 :
Beginning of uphill climb on the track. |
| Km 18.9 :
Leave the track, follow small path, SW direction (cap 217°). |
| Km 20 :
Junction with the track. |
| Km 21 :
CP2 at junction of tracks. Follow track on Asderm plateau,
go South (cap 179°), to go down into oued Tarhbalt. |
| Km 23 :
Houses on your left, end of the descent, pick up oued. |
| Km 23.5 :
Go into oued Tarhbalt. Turn right, general westerly direction (cap 260°). |
| Km 25.2 :
Stone well-shaft on your right. |
| Km 27.8 :
Two stone well-shafts in the oued. |
| Km 30 :
CP3 on right of oued under the trees. Pick up and continue on small path,
hills on right, fields and village on left.
NW direction (cap 314°). |
| Km 30.7 :
End of fields. Follow branch of oued. |
| Km 31.5 : Cross track. |
| Km 32.5 :
Higher ground. Go NNW (cap 342°) until you reach km 36.6. |
| Km 32.8 :
Sandy valley. |
| Km 33.5 :
Beginning of dunes. |
| Km 34.9 :
End of dunes. Keep same direction. |
| Km 36.6 :
Edge of small hill on right. Go North to avoid the fields (cap 357°). |
| Km 38.3 :
Cross track, fields on left.
Go NNW (cap 349°) until you reach bivouac. |
| Km 40 : Cross track. |
| Km 42.2:
Bivouac N°6. |