This is a 6-hectare reserve is on a southern slope of the Chilterns. For many years, it was a poor arable farm, with most of the land sown with ryegrass for hay and grazing, but on thin chalk soil, this had limited success. In 1998, it was leased to the Butterfly Conservation for restoration to the chalk grassland. It was part re-sown with native herbs and grasses in 2000, with the remainder managed by close cutting and grazing. It has been maintained as a nature reserve, especially for butterflies and moths, and includes boundary hedgerows, which have retained their original flora.