The Queen Elizabeth Oak is a large sessile oak tree in Cowdray Park near the village of Lodsworth in the Western Weald, West Sussex, England. It lies within the South Downs National Park. It has a girth of 12.5–12.8 metres (41–42 ft), and is about 800–1,000 years old. According to this estimate it began to grow in the 11th or 12th century AD. In June 2002, The Tree Council designated the Queen Elizabeth Oak, one of fifty Great British Trees, in recognition of its place in the national heritage. According to the Woodland Trust, the tree is the third largest sessile oak tree to be recorded in the United Kingdom after the Pontfadog Oak in Wales and the Marton Oak in Cheshire, although this tree is now fragmented.