A river has a branching system like a tree. It can be divided into four parts: the upper, middle and lower courses, and river mouth. Rivers in Hong Kong are generally short and small, without a distinctive middle course. Typically, the upper course is steeper, the middle one gentle while the lower course is nearly flat.

Different river geomorphologies are formed by continuous scouring of rivers, sand and gravels carried by rivers. Different river courses also exhibit distinct landscapes because of variations in hydrology, erosion and sedimentation processes.

Tung Chung River

Shan Pui River

Tai Shing Stream

Sheung Yue River

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