Ickleton: TL495440
Icknield Way: TL340430
Impington: TL448633
Impington Lake: TL450620
Isleham: TL645744
Isleham (Cock Inn Farm): TL620790
Isleham LNR: TL6372
Isleham Washes: TL647760
Jesus Green, Cambridge: TL453593
Jolly Bankers: See Ouse Washes (Jolly Bankers)
Jones's Covert: TL160935