Map No. 178, Thames Estuary, in the waterproof & tear-resistant OS Active version of the Ordnance Survey Landranger series at 1:50, 000, including Southend-on-Sea, Billericay, Wichford, Basildon, Rayleigh, Hockley, Rochford, South Benfleet, Stanford-le-Hope, East Tilbury, Gravesend, Cliffe, Higham, Allhallows, Hoo St. Werburgh, Grain, Sheerness, Minster, Rochester, Chatham, Gillingham, Newington, Leysdown-on-Sea, Bredhurst, Sittingbourne, Teynham, Faversham, Selling, Maidstone, Offham, Ditton & Snodl&, as well as the Medway Estuary, Isle of Sheppey, Canvey Isl&, Foulness Island & a section of the North Downs Way
- E2 European long-distance path. Edition D3 with minor changes; Publication date April 2012 About Ordnance Survey