The remains of a 13th century hexagonal castle, birthplace in 1367 of the future King Henry IV, with adjacent earthworks.
Besieged and taken by Cromwell's Parliamentarians in 1643.
Please note: Dogs on leads are welcome.
Prices and opening times
Lincolnshire (Directions)
For just £48 a year, English Heritage members get free entry to our properties and exclusive discounts.
