Traditional Denbighshire is a maritime county, bounded to the north by the Irish Sea, to the east by Flintshire, Cheshire and Shropshire, to the south by the traditional counties of Montgomeryshire and Merionethshire, and to the west by Caernarfonshire. In the south and west of the county the mountains of the Clwydian Range rise from 1000 to 2500ft high. The east of the county is hilly. There is some level ground along the coastal strip. The highest points are Moel Sych and Cader Berwyn at 2,713 feet. Pistyll-y-Rhaeader is a spectacular 240 feet waterfall. The chief rivers are the Clwyd and the Dee. The River Conwy runs north along the western boundary. The modern county of Denbighshire borders Powys ot the south, Flintshire and Wrexham to the east and Gwynedd to the west.
