Question

what is the catchment area of a river

Answer 1

Explanation:

A water catchment (commonly referred to as a “watershed”) is an area of land where all water flows to a single stream, river, lake or even ocean. Natural boundaries of water catchments can be very small for a single creek or stream or quite large—the Colorado River basin for example.

Answer 2

In geography, the catchment area of a river is the area of land from which water flows into the river.