The often grey UK weather probably doesn't immediately have you thinking about partaking in water sports, and getting wet isn't going to encourage you.
|Regents Canal, London|
However, if you're suitably prepared (perhaps with your Crocs like I was!), getting wet isn't going to be an issue. Trust me I'm a geocacher!
There are a surprising number of water sports possible around the UK, but what about in the centre of London?