Sharp Island (Kiu Tsui Chau or Chinese: 橋咀洲) is the largest island in the Kiu Tsui Country Park located at Port Shelter of Sai Kung, Hong Kong. Tourists can go there for BBQ activities, fishing, swimming as well as diving. Sharp Island is under the administration of Sai Kung District.
The island has a maximum elevation of 136 m and an area of 1 km². The two beaches Half Moon Bay Beach (廈門灣泳灘) and Kiu Tsui Beach (橋咀泳灘) are located on the island. They are both managed by the Leisure and Cultural Services Department.
When the predicted tides at Ko Lau Wan is lower than or equal to 0.75 meter, visitors can go to an inshore islet named Kiu Tau (橋頭) on foot. For more details, please visit the Hong Kong Observatory website .
Different kind of volcanic rocks can be found on Sharp Island. The most frequent ones are rocks with a peculiar pattern on the surface. Other rocks have an unusual pineapple shaped form.
Origin of the different kinds or rocks
It is believed that about 140 million years ago a volcano was located in Sai Kung. Sharp Island was according to that on the margin of the caldera. This is probably the reason for the widely distributed different volcanic rocks from different geological periods around Sharp Island.
Formation of the tombolo
The sea currents near Sharp Island are pushing sand and gravel near the shore. After several years they formed a tombolo, a natural bridge made of different sized rocks and sand – connecting Sharp Island and Kiu Tau. At high tide the tombolo is submerged in water and thus can only be seen when the tide goes out.
Frequency of Kai-tos are as follows:
-15mins on weekends and holidays;
-30mins on weekdays.
Boat rowling to Sharp Island will spent about an hour and a half.
- Agriculture, Fisheries and Conservation Department: Kiu Tsui Country Park
- Puwei Hu, Fuwu Xing, Lin Chen, Meina Wang, Faguo Wang, Hongfeng Chen. Vegetation and vascular plant diversity of islands surrounding Port Shelter, Hong Kong, China. Biodiversity Science, 2011, V19(05): 605-609
- Leisure and Cultural Services Department: Information of Beaches: Sai Kung
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