Ivinghoe Beacon is a prominent hill and landmark in the Chiltern Hills, standing 233 m (757 ft) above sea level. It is situated close to the villages of Ivinghoe in Buckinghamshire, the Ashridge Estate, and the villages of Aldbury and Little Gaddesden in Hertfordshire, and is managed and owned by the National Trust. Ivinghoe Beacon lies between the towns of Dunstable in Bedfordshire, and Berkhamsted and Tring in Hertfordshire. It is the starting point of the Icknield Way to the east, and the Ridgeway long-distance path to the west.
Biological interest together with the rest of the Ivinghoe Hills the site is the largest complex of Chalk grassland on the Chilterns escarpment. This includes several nationally rare plants such as early gentian (Gentianella anglica), the pasque flower (Pulsatilla vulgaris), field fleawort (Senecio integrifolius), fine leaved fumiary (Fumaria parviflora) and greater pignut (Bunium bulbocastanum). Butterflies include the chalkhill blue, the small blue, the Duke of Burgundy, Essex skipper, The woodland is comprised of beech and ash with extensive areas of hawthorn scrub The archaeological interest is largely the Neolithic Pitstone flint mines, the Later Bronze Age linear dyke system known as 'Grim's Ditch' (probably territorial or farm estate boundaries), and the Beacon Hill summit Bronze Age round barrow and Iron Age hillfort (Scheduled Ancient Monuments). These were interesting periods in our history and these sites link Bronze and Iron Age age peoples from Bucks with the neighboring counties.