On this 5-hour adventure, you’ll combine a pleasant coastal route with open-water swimming and an exploration of the famous Cova de Coloms. You’ll venture into majestic caverns filled with stalactites, stalagmites and frozen freshwater lakes that hold the island’s geological history. A perfect shared experience for intrepid souls, designed to deliver intense thrills in complete safety under the guidance of qualified guides. Get ready, because the heart of the earth is calling you!