Have you ever wondered how deep is the Thames as it runs through central London?
I certainly wondered about that when doing the kayaking two star course as had to go upside down head towards the river floor which often seemed not that far away.
So was interested to see this chartlet from the Port of London Authority which shows the shoals around Battersea.
It can be seen how large parts of the river dry at low water, and how even in the middle of the river in places there is sometimes only 2 metres at most.
Keelboats - lets be careful out there!
Update: part II of this post can be found here.