This lock has unusual curved gates. The GNR line went right over the top of the lock but it was removed after the closure of the railway in 1963. The lock was built without parliamentary sanction (not in the Act). {1}{2} Pound lock on the fen drains, constructed by John Rennie between 1802-1812, and altered in 1848 when the GNR Lincolnshire loop line was constructed. Built of ashlar stone, with some wood and iron. The lock has two gates, with battered and pecked gritstone ashlar side walls having wide curved gate rebates. Two sets of massive wood and iron lock gates, the southernmost being set higher and the top of the chamber with steps here. At the north end are the ashlar abutments, the sides with sunk panels, for the GNR railway bridge, removed after the closure of the line. The lock gives access to the navigable drains on East, West and Wildmore fens, with the western half being in Langriville parish (East Lindsey District), and the eastern half being in Fishtoft parish (Boston Borough). For the full description and the legal address of this listed building please refer to the appropriate entry in the National Heritage List for England. {3}{4}{5}{6} Anton's Gowt Lock was accidentally listed twice. This duplicate listing was revoked in 2018, but the structure is still listed under NHLE entry 1062085. {7}{8}