The Tan Shan River (also known as River Jhelum, Chinese: 丹山河; Hong Kong Hakka: Dansan Ho) is a river in the northeastern New Territories of Hong Kong. The river originates in Ping Fung Shan near Pat Sin Leng. It flows through the Hok Tau Reservoir and Ping Che before finally emptying into the Ng Tung River near Kwan Tei.

• List of rivers and nullahs in Hong Kong

• 2007. 2007 Hong Kong Map. Easy Finder Ltd. ISBN 962-8751-15-8

• Rivers of Hong Kong, in Chinese

22°30′48″N 114°10′21″E / 22.5133°N 114.1726°E / 22.5133; 114.1726