Ashridge is a country estate and stately home in Hertfordshire, England. It is situated in the Chiltern Hills, an Area of Outstanding Natural Beauty, about 2 miles (3.2 km) north of Berkhamsted and 23 miles (37 km) north west of London. The estate comprises 5,000 acres (20 km) of woodlands (known as Ashridge Forest), commons and chalk downland which supports a rich variety of wildlife.