Llay Bog From Wikipedia the free encyclopedia Protected conservation area Clwyd county, Wales Llay Bog is a Site of Special Scientific Interest in the preserved county of Clwyd, north Wales.[1][2] See also[edit] List of Sites of Special Scientific Interest in Clwyd References[edit] ^ "Local Planning Guidance Note No.32 - Biodiversity & Development - Appendix 1: Protected sites" (PDF). Wrexham County Borough Council. March 2011. p. 11. ^ "Site of Special Scientific Interest Citation - Wrexham - Llay Bog" (PDF). Natural Resources Wales. Countryside Council for Wales. This article about a Site of Special Scientific Interest is a stub. You can help Wikipedia by expanding it.vte