Afon Twrch, Clwyd

Not to be confused with the Afon Twrch which is a tributary of the River Tawe, South Wales or the Afon Twrch which is a tributary of the River Cothi in West Wales .

The Afon Twrch is a river near Llanrhaeadr-ym-Mochnant in Clwyd, Wales. Its headwaters lie on the eastern slopes of Cadair Berwyn, the highest peak of the Berwyn range, and the river flows broadly southeastwards to join the River Tanat, itself a tributary of the River Severn.