The Afon Llyfnant (English: River Llyfnant), near Eglwys Fach in Ceredigion, Wales is a tributary of the Dyfi estuary. The river reaches the hill walk of Uwch Garreg, then plunges over the waterfalls known as Pistyll y Llyn, into the ravine that opens to the Dyfi estuary. Red Kite are noted for circling the area.