Explore the cracks, crevices, and high-walled corridors of Serra da Arrábida's underground caves. Journey beneath the surface of the earth accompanied by your guide and get ready to be amazed by this environment as you admire the forces of nature inside the Serra da Arrábida Natural Park.
After getting set up, begin with a short walk to the viewpoint near Portinho da Arrábida Bay. From there, it's time for the first rappel descent. Using ropes and similar techniques to those used in climbing, alternative between vertical progressions, horizontal positions, and other natural obstacles.
Explore the narrow corridors and unique geological formations on the southern slope of Serra da Arrábida. The descent finishes up at Portinho da Arrábida Beach, known for its spectacular natural beauty.