18/09/2026
Geological Conveyor System: The sand originates thousands of kilometers away in the upper Orange River basin. River currents carry it into the South Atlantic, where strong northward ocean currents push it onto the beach, allowing prevailing winds to transport and build massive dune fields inland. Overlapping Dune Systems: The area is composed of two distinct dune systems—an ancient, semi-consolidated lower system beneath a younger, active upper system.