Glastonbury Festival – Photo Diary Where? Glastonbury Festival Exactly? Boutique Camping, Pilton, Somerset, UK When? June 2016 Glastonbury Festival is the world’s largest greenfield festival which has been running since 1971 in Pilton in Somerset. Set over acres of beautiful countryside, for 5 days near the summer solstice, the Worthy Farm land is taken over by the world’s leading music acts. This years headline acts included Coldplay (pictured above), Adele and Muse.