Dunaff () is a townland in the Urris Valley, located in the North-West corner of the Inishowen Peninsula. It is in the Electoral Division of Dunaff, in Civil Parish of Clonmany, in the Barony of Inishowen East, in County Donegal. It borders the following other townlands: Kinnea to the east; Lenan to the south; Letter to the east and Urrismenagh to the south. It has four subtownlands; Tirnasligo, Ballynacarla and Bulloor. Dunaff has an area of 526.72 hectares (1301.55 acres). History Ireland's oldest Neolithic campsite is located in Dunaff Bay. It lies at the mouth of Loch Swilly, between the cliffs of Dunaff Head to the north and Lenan Head to the south. The site contained many early Irish Mesolithic artifacts, including unabraded flints comprising a few leaf-shaped flakes, blade-like flakes and a large amount of related Neolithic waste material. The location is regarded as an "industrial site" producing material associated with the so-called Early Larnian tradition. There is no evidence of a permanent settlement at the site. In the early 20th century, Dunaff Head the location of a local regatta. Both sailing boats and rowing boats from local villages competed in races. Fishing During the 19th Century, residents supplemented their income through fishing. A Royal Commission on the State of Irish Fishing, published in 1837, described the boats in Dunaff as being in "generally a very bad condition" with the "fishermen being too poor to keep (their boats) seaworthy". Disasters at sea The coastline around Dunaff is treacherous. As a consequence, the townland has a long history of accidents and disasters related to the sea. HMS Saldanah ran aground on the evening of 4 December 1811 with the loss of 253 lives. In January 1832, six fishermen were drowned off Dunaff Head. Their boat capsized after it was hit by a heavy wave. On 18 May 1839 the schooner Janet was wrecked near Dunaff Head, while sailing from Killala to Liverpool. In March 1841, the schooner Mary Hamilton struck the rocks around Dunaff Head, and foundered. The vessel was registered in Glasgow and was sailing from Liverpool to Donegal. On 2 April 1850, a ship called Mars sank off Dunaff head. All the crew were rescued. A fleet of fishing vessels set sail from Dunaff Bay in January 1890. The fleet encountered a storm and one of the boats foundered. The nine men on board were drowned. In April