The westernmost boundary of the historic estate of Pixton Park in Somerset is marked by Porchester's Post, a 10 foot high oak obelisk first erected in 1796 for that purpose, by the 2nd Earl of Carnarvon, of Highclere Castle in Hampshire, husband of Elizabeth Kitty Acland, heiress of Pixton, whom he had married that year. He was then aged 24 and until his father's death in 1811 was known by his courtesy title of Lord Porchester. It is located high up on Exmoor between Withypool Hill and Halscombe Allotment (grid reference SS 828 334), 7 miles north-west of Pixton Park. It was renewed and re-erected in 2002 by the Exmoor National Park Authority. A brass plaque attached to it is inscribed as follows: