In the heart of Sai Kung lies the *Vanished SuperVolcano*, a 18km diameter long colossal remnant from a time when the Earth was alive with fiery eruptions, dating back 140 million years. Participants joining the boat tour embark on an extraordinary adventure to uncover the secrets of this volcanic wonder as they glide through shimmering waters, where vibrant cliffs reveal stunning hexagonal volcanic rock columns that stand as sentinels of time. These remarkable formations, created by cooling lava, showcase nature's artistry in perfect geometric precision and are a testament to the supervolcano's strength, which once erupted with such ferocity that it released over 1,300 cubic kilometers of ash, creating the World's Largest Hexagonal Volcanic Rock Columns of today. Each arch telling its own story carved by relentless waves. This journey invites them to connect with nature and appreciate the powerful forces that shaped our world, as the **Vanished Supervolcano** stands as a reminder of nature's incredible power—a story waiting to be uncovered by those brave enough to explore its depths.