Fort Elson was one of the early Palmerston Forts, in Gosport, England, the northernmost polygonal land fort in the defence line to the west of Gosport. It was located on land immediately to the south of Elson Creek, to which it was connected by a sluice. Fort Elson was the most northerly fort in the line of five which formed part of the ‘Sea Front and Spithead Defences’, Inner Line, Land Front, Left Flank. This line of forts was later known as the Gomer-Elson Line or 'Gosport Advanced Line' This consisted of, from south to north, Fort Gomer, Fort Grange, Fort Rowner, Fort Brockhurst and Fort Elson. Work began on Fort Elson in 1855. The estimated cost of Fort Elson was £63,740 with the actual cost £61,180.