Image of Llys-y-Cawr, Allt Dolanog (Hillfort) by GLADMAN

Looking approx westwards.... not only is there (apparently) a ‘holy well’ down there, but also the Afon Efyrnwy, outflow of ‘Lake Vyrnwy’, so beloved by tourists to the area. Note a section of defences, foreground.

Image credit: Robert Gladstone