Yes
Thames Estuary.
The Mouth of the River Thames is between the Counties of Essex and Kent where it flows into the North Sea.
In the Thames Estuary in south east England
Yes, one! The 'mouth of the Thames', is east of the city of London, where it flows out to sea. However, the River Thames has many tributaries. ------------------------ All 'rivers' have a "mouth." One (A single) "mouth" - as in the number "1"... Sort of like mammals... Except for "Irrawaddy..."
London is on the River Thames but not quite at its estuary.
Source - Turners Hill. Mouth - Thames Estuary
Three examples of estuaries are: mangroves, salt marshes, and where the mouth of a river empties into the ocean.
The population of Gravesend, Kent, United Kingdom is about 66,000. It resides at the mouth of the River Thames, which is called the Thames Estuary.
The Thames estuary is at the end of the River Thames, in England.
The River Thames flows into an estuary near Southend in Essex. It is actually between the Counties of Essex and Kent where it meets the North Sea.
London isn't, but it is at the beginning of the Thames estuary.
starts in thamesmead and ends in Kingston upon thames