https://www.summitpost.org/frenchmans-cap/386549

A 20km route around Bewl Water, Kent.

http://www.gps-routes.co.uk/routes/home.nsf/RoutesLinksCycle/bewl-water-walking-and-cycle-route

The Sandlings Walk is a footpath running from Ipswich to the seaside town of Southwold in Suffolk, UK. Approximately 55-57 miles in length, it is mainly inland and passes through the towns and villages of Woodbridge, Snape, Aldeburgh, Dunwich, Walberswick and the RSPB Minsmere nature reserve. The trail is a mix of heathlands, forests and river paths with a section along the beach between Sizewell and Dunwich.