Tinboeth Castle - Credit: Wikimedia Commons
Tinboeth Castle (Melville Richards, 'Some Welsh place-names containing elements which are found in Continental Celtic', Études celtiques, 13 (1972), 367.) was a medieval castle situated midway between Llanbister and Llanbadarn Fynydd in Wales, on a bend in the River Ithon. Read more on Wikipedia
Source: en.wikipedia.org