Geograph - photograph every grid square

Route 21 of The National Cycle Network runs south from Greenwich out of London through Lewisham (the Waterlink Way) to Crawley, and then via East Grinstead and Eridge to Heathfield and Eastbourne.
The section between Groombridge and East Grinstead follows the Forest Way. Link
See Link for a map of the route.

1000 Millennium cast iron mileposts were funded by the Royal Bank of Scotland to mark the creation of the National Cycle Network, and found along the cycles routes through the UK.

There are four different types of posts, "Fossil Tree" by John Mills, "The Cockerel" by Iain McColl, Rowe Type by Andrew Rowe, and "Tracks" by David Dudgeon. The four artists are from each country of the UK though all posts can be found in all four countries.