Green Man Festival 2017 @ Brecon Beacons Wales 17th – 20th August 2017 buy tickets Greenman.net Venue: Brecons Beacon Location: Wales, UK Date: Aug 17 to Aug 20 Length: All day. Green Man Festival 2017 @ Brecon Beacons Wales Thursday 17th – Sunday 20th August 2017 Buy tickets now Buy tickets now