List of Sites of Special Scientific Interest in Merthyr Tydfil County Borough

This is a list of the Sites of Special Scientific Interest (SSSIs) in the Merthyr Tydfil Area of Search (AoS).

Sites

 * Baltic and Tyler-bont Quarries
 * Brecon Beacons
 * Cwm Glo a Glyndyrys
 * Cwm Taf Fechan Woodlands
 * Daren Fach
 * Nant Glais Caves