Naval Temple

The Kymin, is a hill overlooking Monmouth, in Monmouthshire, Wales. It is located approximately one mile east of Monmouth, on the eastern side of the River Wye and adjacent to the border with the Forest of Dean and England. The summit of the hill, about 800 feet above sea level, is known for its neo-classical monuments, the Roundhouse and the Naval Temple, built between 1794 and 1800. It is registered on the Cadw/ICOMOS Register of Parks and Gardens of Special Historic Interest in Wales. The site is within a designated Area of Outstanding Natural Beauty and is owned by the National Trust.

Source: Wikipedia