Merthyr Tydfil's natural heritage includes its biodiversity and landscapes, both of which have been impacted by human activity, throughout and since the Industrial Revolution.
"Within Merthyr Tydfil County Borough lies two national nature conservation designations, Cwmglo/Glyndyrus SSSI and Cwm Taf Fechan Woodlands SSSI" [REF] These conservation designations welcome significant numbers of tourists, both locally and from further afield.