is a village
It is located on the A525 road in the Vale of Clwyd (Dyffryn Clwyd), about halfway between St Asaph (Llanelwy) to the north and Denbigh to the south.
Welsh language author and polemicist Emrys ap Iwan was a minister at Trefnant at the end of the 19th century.
Trefnant railway station served the village. It closed in the 1960s.