K 0 : Go SOUTH (course 182°) until K 1.7.
K 1 : Sandy hill summit.
K 1,7 : Go SSW (course 192°) until K 3.2.
K 3,2 : Sandy climb.
K 3.5 : Summit of sandy hill pass. Cross line of dunes until K 4.7.
K 4,7 End of dunes, go along dunes. Keep them to the right.
K 5,5 Top of BOU LAADAM jebel. Go SOUTH (course 176°) up to K 8.
K 8 : Sandy climb for nearly 200m. Turn right direction SW (course 227°).
K 8,5 : Exit sandy pass. Go SSW (course 213°) over terrain becoming less stony until CP1.
K 12.8 : CP1. Go SW (course 214°) and cross small dunes and sand mounds with vegetation.
K 14.3 : Go SOUTH keeping dunes to the left.
K 16.2 : Sparse dunes then go SOUTH keeping dunes to the left.
K 22.2 : Sandy hills to the right. Maintain direction.
K 24.5 : House to the right.
K 25.5 : CP2. Keep dunes on left side. Follow general SE direction (course 125°).
K 30.7 : Enter dunes. Go NE (course 65°) until end of dunes.
K 32.5 : Tumulus to the right. Follow oued bed that leads to EL OTFAL jebel.
K 32.9 : Follow the gorge until the summit of EL OTFAL jebel.
K 34 : End of gorge, turn left.
K 34.1 : Sandy summit of EL OTFAL jebel. Panoramic view.
K 34.7 : CAUTION! Technical descent of over 20%. Sandy then stony.
K 35.6 : End of oued bed. Turn right direction ESE (course 109°) until CP3.
K 36,3 : CP3. Follow RHERIS oued keeping it to the left until K 36.3.
Cross RHERIS oued at its clearest point. Go ESE (course 102°). Dirt terrain, fech fech and
K 37,5 : Exit RHERIS oued. Go ESE (course 119°) until B2.
K 39 : Arrival at B2.