Brecon Beacons (English Wikipedia)

Clark, John (1794). General View of the Agriculture of the County of Brecknock. London. p. 9. Archived from the original on 18 April 2023. Retrieved 18 March 2023.
Jones, Theophilus (1809). A History of the County of Brecknock. Vol. II.I. Brecknock. p. 388. Archived from the original on 18 April 2023. Retrieved 17 April 2023.

breconbeacons.org

"Hills and mountains". Brecon Beacons National Park, Wales. Retrieved 19 November 2023.
"A short history". Brecon Beacons National Park, Wales. Retrieved 19 November 2023.

Mills, A. D. (1 January 2011), "Brecon", A Dictionary of British Place Names, Oxford University Press, doi:10.1093/acref/9780199609086.001.0001, ISBN 978-0-19-960908-6, retrieved 9 June 2023

"Central Beacons". European Atlantic Geoparks Route. 3 March 2020. Retrieved 23 June 2023.

Mills, A. D. (1 January 2011), "Brecon", A Dictionary of British Place Names, Oxford University Press, doi:10.1093/acref/9780199609086.001.0001, ISBN 978-0-19-960908-6, retrieved 9 June 2023

"Coastal Features". Pembrokeshire Coast National Park. Retrieved 19 November 2023.

"Plan of the parish of Cantref in the County of Brecon". People's Collection Wales. Archived from the original on 16 February 2023. Retrieved 15 February 2023.

Farmer, Ben (14 July 2013). "Two soldiers die in heat while training in Brecon Beacons". The Telegraph. Archived from the original on 14 January 2015. Retrieved 14 January 2015.
Farmer, Ben (2 July 2014). "No SAS manslaughter charges over Brecon Beacons deaths". The Telegraph. Archived from the original on 14 January 2015. Retrieved 14 January 2015.

Ltd, Copyright The mountain Guide-A.-Connect. "Craig Gwaun Taf (Duwynt) | Wales". UK mountain Guide. Retrieved 19 November 2023.

Bowen, Emanuel (1729). "A New and accurate map of South Wales containing the counties of Pembroke, Glamorgan, Carmarthen, Brecknock, Cardigan and Radnor wherein are exactly laid down and delineated from an actual survey and admeasurement all the towns, villages, churches, chaples, gentlemen's seats". National Library of Wales. Archived from the original on 15 June 2022. Retrieved 17 April 2023.
Clark, John (1794). General View of the Agriculture of the County of Brecknock. London. p. 9. Archived from the original on 18 April 2023. Retrieved 18 March 2023.
"Plan of the parish of Cantref in the County of Brecon". People's Collection Wales. Archived from the original on 16 February 2023. Retrieved 15 February 2023.
Jones, Theophilus (1809). A History of the County of Brecknock. Vol. II.I. Brecknock. p. 388. Archived from the original on 18 April 2023. Retrieved 17 April 2023.
Farmer, Ben (14 July 2013). "Two soldiers die in heat while training in Brecon Beacons". The Telegraph. Archived from the original on 14 January 2015. Retrieved 14 January 2015.
Farmer, Ben (2 July 2014). "No SAS manslaughter charges over Brecon Beacons deaths". The Telegraph. Archived from the original on 14 January 2015. Retrieved 14 January 2015.