Clywedog reservoir, Powys, Wales, UK
6 miles from Llanidloes and 5 miles from the Hafren Forest Trails and the starting point for the Source of the Severn walk. It is a man made reservoir formed by the construction of the Clywedog Dam. The lake has a surface area of 615 acres (230 football pitches), and 216 ft deep at its maximum depth and stretches in all a distance of some six miles and at its maximum, it is just 500 yards wide.
Some 15 new or improved roads were built around the reservoir and a number of viewing points and picnic areas are arranged along the circular drive around the lake enabling visitor to enjoy the wonderful panoramic views.
There is a second, much less visible dam at Bwlch-y-gle. This is an earthen structure faced with stone, about 40ft high and 600ft long which
