Y Berwyn National Nature Reserve has 23 named peaks. The highest is Cadair Berwyn at 832 m. Other notable peaks include Moel Sych, Cadair Berwyn North Top and Craig Berwyn.
There are 23 named mountains in Y Berwyn National Nature Reserve. The highest and the most prominent mountain is Cadair Berwyn.

The highest peak in Y Berwyn National Nature Reserve is Cadair Berwyn, at 832 m.
Notable peaks in Y Berwyn National Nature Reserve include Cadair Berwyn, Moel Sych, Cadair Berwyn North Top, Craig Berwyn and Cadair Bronwen.
