Hampshire and the Isle of Wight
London – This group usually meet at a railway station and often walk on the 4th or 3rd Saturday.
Surrey – This group try to walk on the 2nd Saturday of the month.)
More local groups are listed here (at the bottom of the page).
Christian Walking Club – Weekends and weeks away.
Ordnance Survey – Free access to Standard Maps but a subscription is required to see rights of way on 1:50000 and 1:25000 scale maps.
Streetmap – Zoom in to see both 1:50000 and 1:25000 scale O.S. maps.
Kent County Council Public Rights of Way – Zoom in with the legend selected to view paths that are closed, as well as the location of stiles, steps, gates, bridges, etc.
East Sussex Council Public Rights of Way – As above.
West Sussex Council Public Rights of Way – Not as detailed as the Kent and East Sussex sites but unavailable routes are listed via a menu tab.
Ordnance Survey – Includes some Southeast walks with many more available by subscribing to the O.S. app.
The Ramblers – Free access to many walk locations but full details only available to members.
Fancy Free Walks – Written walk instructions with simple sketch maps.
Walks in the Diocese of Rochester – Route descriptions of country walks, written up by John Harding on behalf of Ash Church. The website suggests that those who use and enjoy the walks make a voluntary donation to Ash Church.