When Stone Whispers
Hong Kong is home to a one-of-a-kind urban geopark that showcases volcanic activity from around 140 million years ago, within the bustling metropolis. This unique landscape was recognised in 2023 by the International Union of Geological Sciences as one of the world’s First 100 IUGS Geological Heritage Sites, standing alongside renowned landmarks like the Grand Canyon in the United States and Pamukkale in Türkiye.
At the High Island Reservoir in Sai Kung East Country Park, visitors can spot unique brownish-yellow hexagonal rock columns, which extend across areas like High Island, Kau Sai Chau, Tiu Chung Chau, the Ung Kong Islands, and the Ninepin Group, covering 100 square kilometres of land and sea. Recognised as a UNESCO Global Geopark in 2015, the area also features 400-million-year-old sedimentary rock layers in northeastern Hong Kong, such as Bride’s Pool, Wu Kau Tang, and Luk Keng. This rich geological heritage, combined with diverse ecosystems like mangroves, feng shui woods, and coral reefs, as well as cultural landmarks like Hakka walled villages, fishing villages, and temples, forms a rare and exceptional natural and cultural landscape unique to Hong Kong.
However, according to last year’s Audit Commission report, some geoparks suffer from inadequate facilities, with issues such as visitors damaging rock formations and capturing marine species. The report also highlighted a lack of proper public transport infrastructure, which has resulted in fewer visitors than expected, making it difficult to fully promote green tourism.