Stonesby Quarry is a 3.2 hectares (7.9 acres) biological Site of Special Scientific Interest between Stonesby and Waltham on the Wolds in Leicestershire.

[1][2] It is part of a 4 hectare nature reserve managed by the Leicestershire and Rutland Wildlife Trust.

[3] This site on Jurassic Lincolnshire Limestone has grassland with diverse herb species, such as autumn gentian, cowslip, dwarf thistle, small scabious, pyramidal orchid and clustered bellflower.

[4] A public footpath from Waltham on the Wolds goes through the site.

[2]