This list entry was subject to a Minor Amendment on 31/01/2017 TQ 76 SW 4/219 SNODLAND CP ROCFORT ROAD Grotto 15 yards south of South East Water Offices (Formerly listed as Grotto 15 yards south of mid-Kent Water Company Headquarters, HIGH STREET (south side)) II Mock ruin. Circa 1850. Random stone, with some odd brick. Two bastions with interior tunnel vaults in brick and central through-passageway divided across the centre by re-used moulded and cusped arch with springing for further arches to either side. At time of re-survey shrouded in honeysuckle. Listing NGR: TQ7046361696 .