A geological itinerary to discover the ancient rocks which constitute the mountain range. Granite and mylonite border the way to Lac Nègre; enjoy the magnificent panorama.
Take GR52 along the right bank of the Salèse Valley before reaching the Col de Salèse.When you get there, follow the path which heads upwards on the right towards Lac Nègre.At marker 270, go left and continue towards Lac Nègre with its panoramic views.Take the same route for the return journey.
For those who wish, there is the possibility of a detour via Camp Soubran, reaching the Col de Frémamorte (this will take 3 extra hours for the outward and return journey).
Free of charge.