Mynydd Llangyndeyrn is a Site of Special Scientific Interest (SSSI)[1] in Carmarthen & Dinefwr, Wales, and a hill reaching 263 metres (863 feet), which is a Marilyn.
Site of Special Scientific Interest | |
Location within Carmarthenshire | |
Location | Carmarthenshire |
---|---|
Grid reference | SN486134 |
Coordinates | 51°47′50″N 4°11′50″W / 51.79731°N 4.19721°W |
Area | 85.2 hectares (0.8520 km2; 0.3290 sq mi) |
Notification | 1992 |
Mynydd Llangyndeyrn and the SSSI are located west of Drefach and north of Pontyberem. The SSSI is approximately 1.3 miles (2.1 km) east-west and 0.3 miles (0.48 km) north-south, taking the approximate shape of a horns downwards shallow crescent.[1]
The SSSI citation for Mynydd Llangyndeyrn specifies that it is "notable as one of the larger upland semi-natural areas left in south-west Wales which, unlike most others, remains lightly grazed." The site features marshy grassland, wet heath, and dry heath, and hosts the marsh fritillary butterfly (Euphydryas aurinia).[2]