The National Trust for Jersey is a charitable organisation which aims at preserving and safeguarding sites of historic, aesthetic and natural interest in Jersey. The trust held its first formal meeting, headed by the Dean of Jersey, Samuel Falle, on 3 August 1936, and was incorporated in the following year by the States of Jersey. The trust is now the island's largest private land owner, caring for over 130 sites. Farms The trust owns several farms which are of historic interest, some of these are described below. The Elms The Elms is a former 18th-century farm, in St. Peter's Valley, which has been the trust's headquarters since 1978. It is not operated as a museum, but some areas are normally open to visitors. Hamptonne Hamptonne is a country life museum in the parish of St. Lawrence, and was purchased by the trust in 1987. The museum is operated by Jersey Heritage. The earliest records indicate that a building was located here in 1445. In 2005, much of the Ecosse Films drama Under the Greenwood Tree was filmed here. The museum is open to the public, from June to September. In October, it becomes the venue for La Faîs'sie d’Cidre (a cider making festival). Morel Farm This working farm is located in St. Lawrence. Some structures here were built in 1666. Mills Le Moulin de Quétivel, a restored watermill which is open to the public and grinds flour for sale in its shop. Military buildings The trust owns a number of former military buildings in Jersey. Some of these are listed here. Câtel Fort Câtel Fort is an 18th-century guardhouse, situated overlooking Grève de Lecq Bay. Grève de Lecq Barracks In 1810, construction of Grève de Lecq Barracks was started, and a garrison was stationed here until the 1920s. It was able to house up to 250 troops. The barrack buildings, located in St Mary, have been restored and are open to the public from May to September. La Caumine à Marie Best Le Don Hilton or La Caumine à Marie Best is a former guard house and gunpowder magazine in St. Ouen's Bay, St. Peter. Victoria Tower Victoria Tower is a Martello tower built in 1837, and located on Le Mont Nicholas opposite Mont Orgueil. It overlooks Anne Port on the north side and Gorey on the south. Cottages La Ronce La Ronce is a two-story 17th-century granite cottage which