At the top is Fort Girardon, a military surveillance base of critical importance for the military area of the Mediterranean Sea naval force.
Here, the whiteness of the limestone contrasts with the greenery of pines and scrubland.
A protected site since December, 2010 it is possible to go hiking along the "restanques" (stone walls) of Coudon before venturing on the cross-country walking trail called GR 51.
Taking the paths of Mount Coudon means discovering wooded hills at the foot of which extend valleys of vineyards as well as truck-farming and horticultural plains.
Settled over six hectares, the Academy of the olive tree gathers more than 78 varieties of olive trees and other kinds of Mediterranean trees as the cistus. It offers an attractive botanical circuit on its stone wall terraces.