This sector gathers the problems of the orange circuit n°2 and isolated boulders (mainly traverses) on the North hill of Gros Sablons.
From the parking lot of La Croix Saint-Jérôme, follow Le Chemin de la Vallée Close fo 1km up to a sandy area (with the 95.2 on your right and the monument on your left). Follow Le Chemin des Cassis for 100m to find the start of the orange circuit n°2. The most interesting traverses can also be found 100m further, near the intersection with the 25 Bosses path (Tour des Trois Pignons).
| 1 | Guet-Apens 6b+ | traverse frtl | Eric Allayaud |
to the left of the 25 Bosses path (Tour des Trois Pignons), just above Le Chemin des Cassis. |
| 2 | Haut et Court 7a (7a+) | traverse frtl | Eric Allayaud |
    to the right of the 25 bosses path (Tour des Trois Pignons), 10m above the crossing with Le Chemin des Cassis. Start just left of the angle, traverse up to the underclings and exit at the top of the boulder. |
| 2b | Cascades Blues 6c | traverse fltr / sitstart | Pepito |
| to the right of the 25 bosses path (Tour des Trois Pignons), 10m above the crossing with Le Chemin des Cassis. Sitstart at the bottom of Haut et Court, traverse to the right with underclings and exit on slopers just left of the angle. |
| 4 | Fille ou Garçon 7b | traverse fltr | Eric Allayaud |
    on the right of "le sentier des 25 bosses", above Haut et Court. Start completely left, traverse the three faces using slopers and pockets and exit via the arete on the right. |
| 6 | Balade pour Manon 7a+ | traverse fltr / pockets | Eric Allayaud |
    on the big boulder behind Haut et Court, 10m to the right of the 25 bosses path. Low traverse and exit in the overhang via pockets. |
| 7 | La Balade de la Vipère 6c | traverse fltr / arete | - |
    on the backside of the big boulder 10m above Haut et Court, to the right of the 25 Bosses path. Low traverse to the right as for Balade pour Manon but exit via the arete of La Vipère. |
| 8 | La Vipère 7a+ | traverse frtl / arete / sitstart | - |
    on the backside of the big boulder 10m above Haut et Court, to the right of the 25 Bosses path. Sitstart to the right, traverse (back of Balade pour Manon) and exit in the slightly overhanging arete. |
| 9 | Les Orbites 6a | slightly overhanging / bidoigt / sitstart | - |
    on the backside of the big boulder 10m above Haut et Court, to the right of the 25 Bosses path. Sitstart and exit in the slightly overhanging wall with bidoigts. |
| 11 | L'Arête des Cassis 5 | arete | - |
    arete left hand on the backside of the traverse of Le Petit Monde, to the opposite of the boulder of La Vipère, to the right of the 25 Bosses path. |
| 11b | L'Arête des Cassis gauche 4 | arete / slab | - |
| arete right hand on the backside of the traverse of Le Petit Monde, to the opposite of the boulder of La Vipère, to the right of the 25 Bosses path. |
| 12 | Le Petit Monde 6c | traverse fltr / overhang | Eric Allayaud |
10m to the right of the 25 Bosses path (Tour des Trois Pignons). Traverse to the right and exit in the overhang. |
| 14 | La Dalle des Cassis 4+ | slab | - |
| slab (without convention) between the exits of Fille ou Garçon and La Vipère, to the right of the 25 Bosses path. |
| 16 | - 5 | wall | - |
| to the opposite of L'Océane, on the second boulder to the right of orange n°28. |
| 17 | L'Océane 6a | traverse fltr / overhang | Eric Allayaud |
    on the boulder to the right of orange n°28. Traverse to the right in the overhang and exit after the angle. |
| 18 | Au Grès du Vent 7a | traverse frtl | Eric Allayaud |
    on the boulder to the left of orange n°26, 20m above le Chemin des Cassis, before its crossing with le circuit des 25 bosses. Right to left traverse (30 moves) passing over a small tree. The reverse traverse is also possible (at least the same difficulty), as well as the there and back traverse (7b). |
| 20 | Sensuelle et Sans Suite 6c | traverse fltr | Eric Allayaud |
    on the backside of the boulder of orange n°24. |
| 21 | Être ou Paraître 6b | traverse fltr | Eric Allayaud |
    on the boulder of orange n°23. |
| 23 | Tricot Stérile 6a+ | traverse frtl / wall | Eric Allayaud |
    on the boulder to the right of orange n°20. Traverse to the left and exit in the wall. |
| 24 | Ultime Esquisse 7a+ | traverse frtl | Eric Allayaud |
    sandy traverse on the boulder to the right of orange n°15 bis (circuit AD n°2), 50m above Le Chemin des Cassis. |
|
| | Outside the topo |
| L'Enfer des Zombies 7c+ (8a) | roof | Christophe Laumone |
    beyond 95.2, follow Le Chemin de la Vallee Close till the end of the sea of sand, and go left diagonally up the hill via the GR. The boulder is just underneath the ridge to the right. (GPS: N48.388260 E2.536200) |
| Anachorète 7c | roof / crack / sitstart | Jean-Pierre Bouvier |
    in bivouac alongside the GR following the ridge in between the yellow and the orange circuit |
| Doliprane 6b+ | slightly overhanging / sitstart | - |
| sitstart to the right of orange n°8. |
| Canyon 5 | crack | Yano Salaün |
| to the left of Obsidienne, 50m to the left of L'Enfer des Zombies, on the South-West face of a boulder along the 25 Bosses path. |
| Obsidienne 7b (7b+) | pillar / crimps | Yano Salaün |
    50m to the left of L'Enfer des Zombies, on the South-West face of a boulder along the 25 Bosses path. |
| Obsidienne assis 7b+ | pillar / crimps / sitstart | Yano Salaün |
sitstart of Obsidienne, 50m to the left of L'Enfer des Zombies, on the South-West face of a boulder along the 25 Bosses path. |
| Le Bel Inconnu 6b | wall | - |
10m to the right and above Obsidienne, along a path that goes up the hill from the Vallée Close. |