Burry Holms (grid reference SS403926) (Welsh: Ynys Lanwol), a tidal island with the height of (98 feet (30 m)) is at the northern end of Rhossili Bay in the Gower Peninsula, Wales.
[2] "Holmes" is a common element of English place-names in Wales, ultimately deriving from the Old Norse holmr, which denotes "a small and rounded islet".
[4] The Modern Welsh name, Ynys Lanwol ("tidal island") is thought to have only come into common usage in recent history, with the modern English name, Burry Holms another recent appellation with the word Burry likely referring to the island's archaeological remains.
A 1998 excavation by the National Museums and Galleries of Wales found that Burry Holms was used as a Mesolithic seasonal camp.
Iron Age people subsequently built a 5-acre (20,000 m2) hillfort and ditch on the island, while in Medieval times it was home to a monastery.