Latest Hills Main Ridge Traverse Grade-3 Cul Mor 849m Tryfan 915m Glyder Fach Summit 994m Y Gribin Grade-1 Snowdon (Yr Wyddfa) 1,085m Glyder Fawr 1,001m Clogwyn y Person Arete Grade-3 Snowdon (Yr Wyddfa) 1,085m Tryfan 915m Dolmen Ridge Grade-3 Tryfan 915m Bristly Ridge Grade-2 Glyder Fach Summit 994m The North Ridge (Summer) Grade-1 ... list all 21 hills