Tags: Site Of Special Scientific Interest.
Fferam Uchaf is a Site of Special Scientific Interest (or SSSI) in Anglesey North Wales for its exposures of Llanvirn (Ordovician) rocks. It has been designated as a Site of Special Scientific Interest since October 2001 in an attempt to protect its fragile Geological elements. The site has an area of 1.05 hectares and is managed by Natural Resources Wales and is situated 1.5 km north-east of Llanddeusant.