Knockmoyle Sheskin () also known as Knockmoyle/Sheskin or Knockmoyle and Sheskin is an intact Atlantic blanket bog, national nature reserve and Ramsar site of approximately in County Mayo. Features Knockmoyle Sheskin was legally protected as a national nature reserve by the Irish government in 1986. In 1987, the site was also declared Ramsar site number 372. The reserve is a lowland blanket bog, an intact Atlantic blanket bog, with a high density of pools which contain interesting flushes, with some forming small acidic lakes. The site has a rich flora owing to the lack of burning or grazing, with well developed cover planting. An unusual feature of the site is small areas of Betula pubescens, and Homalothecium nitens, a rare moss. Other species recorded there include black bog rush, bog cotton, deer sedge, purple moor grass, marsh saxifrage, wild angelica, and marsh arrowgrass. References Bogs of the Republic of Ireland Landforms of County Mayo Protected areas of County Mayo Tourist attractions in County Mayo Nature reserves in the Republic of Ireland Protected areas established in 1986 1986 establishments in Ireland Ramsar sites in the Republic of Ireland