The round tower keep at Bronllys Castle was added by Walter de Clifford III in the 13th-century, updating the motte and bailey castle that was originally constructed by Richard fitz Pons at the end of the 11th-century.
- ¾m (1.2km) NW of Talgarth, on A479, 9m (14.5km) NE of Brecon
- Bronllys Castle, Bronllys, Brecon
- Free, open access at any reasonable time
- For further information visit cadw.wales.gov.uk
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