Mur Aux lôches is the inner wall of the Dumbéa pass, a shore-to-boat drift wall with a shallow start and a narrow current window that quickly turns into a pelagic run. The dive rewards careful tide timing and a clean turn because the wall moves from easy shallower water into a strong-flow corridor where sharks, mantas, and other large fish can appear. It is a technical-feeling drift rather than a leisurely reef stroll.