Castle
Tomen y Mur
WLS Wales
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.
Tomen y Mur, which is managed by Snowdonia National Park Authority, is a scheduled monument.
Text adapted from “Tomen y Mur” on Wikipedia, CC BY-SA 4.0.
Tomen y Mur ranks #4,173 of 7,044 worldwide in the atlas's castle fame ranking, and #84 of the 99 mapped in Wales. See how Wales compares in the castle statistics.
View on the interactive castle map →Frequently asked questions
Where is Tomen y Mur?
Tomen y Mur stands in Wales, at 52.9299°, -3.9268°.
How famous is Tomen y Mur?
In this atlas's fame ranking: #4,173 of 7,044 worldwide, and #84 in Wales. Fame here combines how many Wikipedia language editions cover a landmark with how many people read them.
What is the nearest castle to Tomen y Mur?
Dolwyddelan Castle, about 14 km away.
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