Cutting across Hong Kong's Ung Kong Group, this 2‑hour speedboat tour brings you face to face with Hong Kong's giant hexagonal basalt columns and four dramatic sea arches. Ideal for photographers and geology fans, the trip includes a short visit to the Volcano Discovery Centre and expansive coastal views.
Cutting across Hong Kong's Ung Kong Group, this 2‑hour speedboat tour brings you face to face with Hong Kong's giant hexagonal basalt columns and four dramatic sea arches. Ideal for photographers and geology fans, the trip includes a short visit to the Volcano Discovery Centre and expansive coastal views.
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Operated by Splitdyboat · Sai Kung, Hong Kong
The bow cuts through teal water and salt spray carries the volcanic scent of old fire—this is Sai Kung from the low angle that reveals its carved cliffs and sea arches. On this two‑hour speedboat tour you skim past the thousand hexagonal columns of High Island, thread narrow straits when conditions allow, and circle massive sea arches that the surf has hollowed into natural gateways.
easy.
2 hours.
Suitable for most people who can stand briefly on a moving boat; not recommended for serious spinal, heart conditions or late pregnancy.
Boatmen may attempt to navigate through some arches when wave and tide conditions are safe; this is always weather‑dependent and not guaranteed.
Yes—infants must sit on an adult’s lap; children should be supervised on deck and wear life jackets provided by the operator.
The trip includes a guided visit to the Volcano Discovery Centre, a guided speedboat route around Ung Kong Group, life jackets and a tour guide who provides geology and history commentary.
Full refunds are available if you cancel at least 24 hours before departure; the operator will cancel for bad weather and low passenger counts.
The hexagonal columns are the eroded remains of volcanic ash and lava flows from a supervolcano that erupted about 140 million years ago, shaping much of Sai Kung's coastline.
The geopark is protected for its geological value; visitors should avoid touching fragile column faces, dispose of waste properly, and follow guides' instructions to limit erosion and disturbance.
Splitdyboat operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




Book with Splitdyboat
Book directly with Splitdyboat for the best rates and real-time scheduling.
Reserve Now