Drum () (Welsh: Y Drum = the ridge) is a summit in the Carneddau mountains in northern Wales, 2 km north-east of Foel-fras. It is 771 m (2,526 ft) high. It is also known as Carnedd Penyborth-Goch.
Its eastern slopes are drained by the Afon Tafolog, a tributary of Afon Roe which flows through the village of Rowen before joining the River Conwy.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .
See also Blue Joker, an experimental airborne early-warning radar, tested from a site high on the mountain in 1956
References