Flintshire is the smallest historic county in Wales. The coast along the Dee estuary is heavily developed by industry and the north coast much developed for tourism. The Clwydian Mountains occupy much of the west of the county. The highest point is Moel Famau (1,820 feet / 554 metres). The chief towns are Buckley, Connah's Quay, Flint, Hawarden, Holywell, Mold, Queensferry, and Shotton. The main rivers are the Dee (the estuary of which forms much of the coast) and the Clwyd. The main industries are manufacturing of aircraft components (Airbus), engines (Toyota), paper (Shotton Paper), steel processing (Corus), agriculture and tourism.