Latest Hills The Snowdon Horseshoe (Summer) Grade-1 Idwal Buttress Grade-2 Idwal Staircase/Continuation Grade-3 Milestone Approach Grade-3 Milestone Continuation Grade-3 Tryfan 915m The North Ridge (Summer) Grade-1 The South Ridge Grade-1 Y Gribin (Summer) Grade-1 Y Lliwedd West 898m Y Lliwedd East 893m Lliwedd Traverse to Snowdon Grade-1 Senior's Gully Grade-1 Glyder Fawr 1,001m ... list all 14 hills