From Saint-Dalmas de Tende (06), take the road towards Castérino / Les Mesches.
Park by the Lac des Mesches.
(S/E) From the car park, take the road downhill until you come to marker 235 on the right, signposted Granges de Gauron, Granile and Pas de la Tranchée.
(1) Take the wooded path towards Granges de Gauron. At the 1349-metre mark, keep to the left; a sign also indicates the direction. Pass marker posts 236 and 237, then walk through the small hamlet of Granges Cioto. After a bend, cross a stream via a small bridge and reach a junction
(2) Continue following the signs for Les Granges de Gauron and Le Pas de la Tranchée; you’ll soon reach marker 238.
(3) Ignore the path branching off to the left, and after a winding climb through the grass, reach marker 222.
(4) Turn right towards the Pas de la Tranchée. The path is now flat and offers a bit of a breather before tackling the winding climb up to the Pas de la Tranchée.
(5) Take a break at the Pas de la Tranchée, which offers a superb view to the south, over the Vallon de Berghe and further west towards the Authion. Make sure you spot the path towards the Cime de la Nauque; it starts just behind marker 223. Follow the Crête de Scaffa, using your hands to help you over a few rocky sections.
(6) Continue across more open terrain; the slope becomes steeper through grass and scree. Begin a bend northwards to reach the foot of a rocky section.
(7) Follow the cairns carefully as they lead to a passage that isn’t very obvious at first glance. You’ll emerge, to your surprise, onto a large grassy plateau. Make your way to a small hillock.
(8) Make your way to the Cime de la Nauque by crossing meadows bordered by larch trees.
(9) Go round the Cime de la Nauque to the south and join a gently sloping path leading to the Pas de la Nauque.
(10) Begin the pleasant descent through the woodland and head for the first building of the “Neige et Merveilles” lodge (Marker 86 – Vallauria Mine)
(11) Turn right onto the track and head back to the car park at Lac des Mesches. (S/E)