Llanerchaeron estate played host to some 100,000 visitors during the 2010 youth cultural festival, the Urdd National Eisteddfod, held between 31 May and 5 June 2010.
The Llanerchaeron estate saw over 100,000 attendees during the 2010 Urdd National Eisteddfod, a youth cultural festival that took place from May 31st to June 5th, 2010.