Grassholm (Welsh: Gwales or Ynys Gwales) is a small uninhabited island situated 13 kilometres (8 mi) off the southwestern Pembrokeshire coast in Wales, lying west of Skomer. It is the westernmost point in Wales and is known for its huge colony of gannets. Grassholm has been owned since 1947 by the Royal Society for the Protection of Birds, and is one of its oldest reserves.