Carnedd Llechwedd-llyfn is a subsidiary summit of Carnedd y Filiast

Carnedd y Filiast (Cerrigydrudion)

Carnedd y Filiast is a mountain near Cerrigydrudion on the border of the Snowdonia National Park, North Wales and is high.It is part of the Arenig mountain range, and rises from the shore of Llyn Celyn. It is also a peak in an area of moorland known as the Migneint. The views are extensive...

 on the border of Snowdonia National Park

Snowdonia

Snowdonia is a region in north Wales and a national park of in area. It was the first to be designated of the three National Parks in Wales, in 1951.-Name and extent:...

 near Cerrigydrudion

Cerrigydrudion

Cerrigydrudion is a village and its surrounding parish in Conwy County Borough, north Wales. Previously it was part of the historic county of Denbighshire and then Clwyd. The village formerly lay on the A5, but a short by-pass now takes the road along the south-western edge of the village...

 in North Wales

North Wales

North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...

. It is part of the Arenig

Arenig

In geology, the Arenigian refers both to a time interval during the Lower Ordovician period and also to the suite of rocks which were deposited during this interval.-History:...

 mountain range, and rises from the shore of Llyn Celyn

Llyn Celyn

Llyn Celyn is a large reservoir constructed between 1960 and 1965 in the valley of the River Tryweryn in Gwynedd, North Wales. It measures roughly 2½ miles long by a mile wide, and has a maximum depth of...

.

It is also a peak in an area of moorland known as the Migneint

Migneint

The Migneint is a large expanse of moorland in central Snowdonia, North Wales. It is part of the Migneint-Arenig-Dduallt Special Area of Conservation, along with the mountains Arenig Fawr, Arenig Fach and Dduallt, covering a range of nearly 200 km²...

. The views of northern Snowdonia are extensive. Arenig Fach

Arenig Fach

Arenig Fach is a mountain in southern Snowdonia, north Wales. It is a peak in the Arenig range and lies to the north of its parent peak Arenig Fawr.It lies close to Llyn Celyn alongside the A4212 between Trawsfynydd and Bala...

, Arenig Fawr

Arenig Fawr

Arenig Fawr is a mountain located in Snowdonia, North Wales. The mountain, which is the largest in the area, lies close to Llyn Celyn reservoir alongside the A4212 between Trawsfynydd and Bala.-Location:...

 and Waun Garnedd y Filiast can also be seen. The summit is marked by a small cairn next to a fence which runs across this boggy summit.