Plynlimon | Pumlumon 🏔️ Overview Plynlimon, known in Welsh as Pumlumon, is a broad mountain massif in the Cambrian Mountains of Mid Wales. Its highest summit, Pen Pumlumon Fawr, reaches 752 meters (2,467 feet), making it the highest point in Ceredigion and the highest summit of the Cambrian Mountains as the range is commonly defined. …
