ECN site code: T11
ECN monitoring by: Cyfoeth Naturiol Cymru - Natural Resources Wales
Co-located stream site: Nant Teyrn (R29)
Yr Wyddfa/Snowdon is an upland ECN site incorporating the summit of Yr Wyddfa or Snowdon, the highest mountain in England and Wales, 19km south-east of Bangor in North Wales. It is co-located with the Nant Teyrn freshwater site. The dominant vegetation is acidic grassland with Festuca ovina (sheep's fescue) and Agrostis species (bent grass) in the drier areas and Nardus stricta (mat grass) in the wetter areas. The site is part of the Yr Wyddfa/Snowdon National Nature Reserve, managed by Natural Resources Wales (NRW) under agreement with the owner. The land is unenclosed and grazed by sheep and a small herd of feral goats.