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Kau Keng Shan, viewed from Castle Peak
Kau Keng Shan (Chinese: 九逕山) is a hill in Tuen Mun, New Territories, Hong Kong and stands opposite from Castle Peak. Kau Keng Shan has a height of 507 metres. During the Ming dynasty, the area around the hill was used as a defense position against foreign forces, especially the Portuguese, who had occupied Tuen Mun from 1514 to 1521.
Coordinates: 22°23′20″N 113°59′42″E / 22.3888°N 113.995°E