Beaufort Island is a member of the Po Toi group of islands in Hong Kong. Its size is about 120 ha (300 acres)[1] while its highest point is 270 m (890 ft) above sea level.
The channel next to Beaufort Island called Lo Chau Mun, or Beaufort Channel, is the deepest part of Hong Kong at 66 m (217 ft) below sea level.[2]
According to the local government, several plant species of conservation concern are present on Beaufort Island such as Eulophia flava ( 黃花美冠蘭 ), Podocarpus macrophyllus (羅漢松), Polygala polifolia (小花遠志) and Rungia chinensis (中華孩兒草).[1]
The 140-million-year-old Po Toi Granite, which forms nearly all of Beaufort Island, is the last large magma intrusion in Hong Kong. Megacrysts are commonly found.[1]
