awright m8
it's a solid full day out if you go all the way
you can take the train to rainham to skip the london outskirts bit, that's a nice way to shorten it
tide bit is just after tilbury fort but I've never found it an issue, maybe dumb luck all these times
I've ridden this route now four times, I love it. thank you for sharing it.
Rainham RSPB reserve is one of my favourite places near London.