Location and coordinates are for the approximate centre of Althorne within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Althorne, par., E. Essex, 6½ miles SE. of Maldon, 2242 ac. and 234 water and foreshore, pop. 319; P.O.