 A stone resembling the mythical Llech Ronw was discovered by Frank Ward in 1934 on the bank of Afon Cynfal.It was believed to have washed downstream from Ceunant Coch, where a local woman recalled seeing it previously.Around the turn of the 21st century, a stone similar to Llech Ronw (possibly the same one found in 1934) was discovered along Afon Bryn Saeth.