Cherry Hinton Pit is a 12.8-hectare (32-acre) biological Site of Special Scientific Interest (SSSI) on the south-eastern outskirts of Cambridge. The site consists of East Pit and most of the smaller West Pit. East Pit is part of the Limekiln Close and East Pit Local Nature Reserve, which is managed by the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire under the name Cherry Hinton Chalk Pits. West Pit is a separate Local Nature Reserve (LNR).