The western half of the national park was established as a Geopark in 2005 and is now a member of the UNESCO Global Geoparks Network. Fforest Fawr UNESCO Global Geopark aims to promote sustainable tourism within the area based upon the area's natural and cultural heritage. The world heritage site at Blaenavon straddles the national park's southeastern boundary; its focus is on the exploitation of the area's diverse geological resources and the economic and social changes wrought.
