Editing Twm Siôn Cati (section)

==Landscape==
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 |image1 = Afon Tywi and Craig Clungwyn - geograph.org.uk - 1457928.jpg
 |image2 = Graffiti in Twm Sion Cati's cave - geograph.org.uk - 522192.jpg
 |footer = The [[Afon Tywi]] passes below Twm Sion Cati's Cave which is hidden on the tree lined slopes, high up on the right bank. The inside of the cave features much nineteenth century graffiti.|footer_align = left
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A number of areas have been associated with Twm Sion Cati's hideouts, including two caves, one on the outskirts of Tregaron at Ystrad-ffin and another at [[Rhandir-mwyn]] near [[Llandovery]].<ref>{{cite book |last1=Phillips |first1=Helen |title=Bandit territories: British outlaw traditions |date=2008 |publisher=University of Wales Press |location=Cardiff |isbn=9780708319857 |page=68}}</ref>

Twm Siôn Cati's Cave at Ystrad-ffin became popular with nineteenth century tourists, wishing to trace the footsteps of Twm who was said to have hidden in the cave while wooing Joan (the widow of Ystrad-ffin), and again when escaping from Llandovery fair.<ref name=Pritchard></ref>

There is a steep ascent to the cave, which is surrounded by trees and boulders, and it is necessary to crawl inside. Part of the cave roof has collapsed but the cave itself has obviously been visited over many years, as evidenced by the carvings – one reads 1832. It overlooks the [[confluence]] of the [[River Tywi]] with the River Pysgotwr. The ''Oxford Companion to the Literature of Wales'' notes that Prichard's vivid descriptions of Twm's cave suggest the author knew the area around Rhandir-mwyn well. Historical accounts have been published by Lynne Hughes (whose book ''Hawkmoor'', was serialised by the [[BBC]] in 1977) and three by Welsh-language children's author [[T. Llew Jones]].{{citation needed|date=January 2016}}

Today, the cave is part of the Gwenffrwd-Dinas [[Royal Society for the Protection of Birds|RSPB]] reserve.<ref>On [[Royal Society for the Protection of Birds|RSPB]] reserve land: {{gbmapping|SN780468}}. The cave is marked on the [[Ordnance Survey]] Explorer map 187 (Llandovery)</ref>