Tomen y Mur

📍 Gwynedd, Wales

3.4 ★★★½ 75 reviews

About

Tomen y Mur is a Roman fort in Snowdonia, Gwynedd, Wales, dating to the first century AD. The fortification, which lies on the slope of an isolated spur northeast of Llyn Trawsfynydd, was constructed during the North Wales campaigns of governor Gnaeus Julius Agricola in AD 78. The fort stood adjacent to the Roman road known as Sarn Helen. It was occupied until it was abandoned around AD 140. In the 11th century, the Normans reused part of the site for a motte.

A Roman auxiliary fort (Tomen y Mur) in Gwynedd, built around 78 AD during the Roman conquest of Wales. William Rufus later constructed a Norman motte on the site around 1095. One of the most dramatically sited Roman forts in Britain, surrounded by the wild Snowdonia landscape.