Bryn Alyn is a hill and

Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...

in Denbighshire, North Wales, and forms part of the Clwydian Range and Dee Valley Area of Outstanding Natural Beauty. Bryn Alyn lies in the community of

Llanarmon-yn-Iâl Llanarmon-yn-Iâl is a village, and local government community, in Denbighshire, Wales, lying in limestone country in the valley of the River Alyn. The community is part of an electoral ward called Llanarmon-yn-Iâl/Llandegla. The populat ...

, to the east of the River Alyn, with the valley of Dyffryn Alyn separating it from the main range of the Clwydian hills. At just 408m,Ordnance Survey 1:25,000 Explorer Map no. 265, grid ref SJ201587 Bryn Alyn's significance is not in its height, but in the dramatic west-facing limestone cliffs, which can be seen from the nearby A494 trunk road and from many of the walking routes in the southern Clwydian hills. Areas of natural limestone pavement can be found throughout the upper parts of the hill. The main points of access to Bryn Alyn are from the nearby villages of Llanferres and Eryrys. A nature information board for Bryn Alyn can be found in the layby on the A494 just south of Llanferres, at grid reference SJ188600.

References

Mountains and hills of Denbighshire Sites of Special Scientific Interest in Clwyd Llanarmon-yn-Iâl {{Denbighshire-geo-stub