Crowborough is a town in the Wealden district of East Sussex, England. It is situated in the Weald, at the edge of Ashdown Forest, in the High Weald Area of Outstanding National Beauty. It is 7 miles (11 km) south-west of Royal Tunbridge Wells and 35 miles (56 km) south of London. It has road and rail links and is served by a town council. It is the most populous inland town in East Sussex, with over 20,000 people.