Ystumtuen is a small village in northern Ceredigion, Wales above the valley of the River Rheidol. It is situated on rocks rich in lead and silver and during a lengthy period in the 18th and 19th centuries, Ystumtuen was a busy mining village [Wikipedia].

For afficianados of the Welsh crime noir drama, Hinterland, this is where Greta Pritchard's car is found with a body inside it (series 2, episode 3)