Crynodeb o'r ymgynghoriad ar gyfer Parc Cenedlaethol Bannau Brycheiniog : cynllun rheoli 2010-2015 = Consultation summary for the Brecon Beacons National Park : management plan 2010-2015 by Brecon Beacons National Park Authority. Published by Awdurdod Parc Cenedlaethol Bannau Brycheiniog in 2010. Publication and catalogue information, links to buy online and reader comments.