:Caeau Heol y Llidiart-coch

{{Short description|Protected area in Carmarthenshire, Wales}}

{{Use dmy dates|date=April 2022}}

{{Infobox SSSI|name=Caeau Heol y Llidiart-coch|image=|image_caption=|aos=Carmarthenshire|displaymap=|interest=|gridref=|coordinates=|area=9 Hectares / 0.09 km²|notifydate=2010|enref=}}

Caeau Heol y Llidiart-coch is a Site of Special Scientific Interest in Carmarthenshire, Wales. The site is of special interest for its marshy grassland, fen meadow, and areas of species-rich grasslands. The site lies within Brecon Beacons National Park.{{Cite web|url=https://www.protectedplanet.net/caeau-heol-y-llidiart-coch-site-of-special-scientific-interest-gb|title=Caeau Heol y Llidiart-coch in United Kingdom of Great Britain and Northern Ireland|website=Protected Planet|access-date=April 28, 2018}}[https://naturalresources.wales/media/653977/SSSI_0871_Citation_EN001769c.pdf SSSI 0871 Citation EN001769c] Countryside Council for Wales. Accessed April 28, 2018