Waterfall is a unique feature along the course of a river or stream.
It is the point in the stream/river where the flow of water experiences a rapid drop vertically, or several steep drops.
Another name for the waterfalls is cascades.
Waterfalls are common in hilly environments, as the flow of the river experiences vertical drop along the steep sections of the hills.
Common formation of waterfall is influenced by the erosion process on rocks.
The river or stream moves on a hard rock and falls on a soft rock that experiences a high rate of erosion.
The resulting impact of water erosion on the soft rock is a steep depression along the water course.
Waterfall provide a micro-climate that has high levels of humidity and cool temperature.
Also, the waterfall environment offers biodiversity that supports unique species of plants and animals.
Human communities benefit from the waterfall water body in various ways.
Beneficial examples include scenic tourist attraction, source of water and aquatic food, site for hydro-power generation, and venue for water sports and recreation.
A key challenge of waterfall is that it hinders smooth navigation of boats along the river or stream channel.
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