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GCSE Geography · key term
The place where a river enters the sea, a lake or another river.
Used by AQA and Edexcel
Specification 3.1.3.1, 3.1.3.3 · Paper 1
Revise: UK Physical LandscapesA river begins at its source, often in hills or mountains, and flows downhill towards its mouth. Near the coast, it may enter an estuary, where fresh water meets seawater and the tide affects the river mouth.
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Specification 1.7 · Paper 1
The point where a river enters the sea, a lake or another river.
Revise: River Profiles and Downstream ChangesA long profile is a side view of the river from source to mouth. It shows how height and gradient change. A typical long profile is concave: steep near the source, then becoming progressively gentler towards the mouth.
Paper 2
Revise: River Characteristics and ProfilesA river’s course is its route from its source to its mouth. The upper, middle and lower courses describe successive parts of that journey, rather than three sections of equal length.