Twenty Acre Piece is an 8.1-hectare (20-acre) biological Site of Special Scientific Interest and registered common land east of Loughborough in Leicestershire.

[1][2][3] This site has grassland, scrub and wood on poorly drained acidic clay.

The woodland is mainly hawthorn, oak and ash, and there are diverse populations of breeding invertebrates and birds.

[4] There is access to the site by a neglected and overgrown footpath.