Dyffryn Ogwen More Information Dyffryn Ogwen Description: A bilingual county comprehensive school and it has served the Ogwen Valley in Gwynedd, Wales for over 100 years. Category: UK > Regional > Wales > Gwynedd URL: http://www.dyffrynogwen.gwynedd.sch.uk/ Report Broken Link: Report Problem With Website: Rate This Site Current Rating for "Dyffryn Ogwen": 0.00 Current Votes for "Dyffryn Ogwen": 0 How do you rate "Dyffryn Ogwen"? 10 - The Best 9 8 7 6 5 4 3 2 1 - The Poorest Remarks: Ezilon Web Directory is not affliliated with, and does not endorse any websites in our directory.