In a field about 400m to the south west of Talybont village centre, just south of the A487, Glyn Davies and Jonathan Brentnall have recorded a 'small, slightly squashed ring, in the middle of a large, "running track-shaped" oblong. They photographed this ring and oblong during the drought conditions of summer 2018.
M. Ryder, RCAHMW, 15th February 2019