Originally Posted by
IainR
Which bits..
If you want a quick summit to summit time, walk or train up Snowdon > Carnedd Ugain > Crib Goch, turn around and return to bwlch Coch > Cwm Glas > Nant Peris > main path up Elidir usual route to Tryfan.
From there you have two options, down the west gully to the base of that, some steps, you can either carry on to Ogwen Cottage, or descend right down to the milestone butress. I prefer using Ogwen as its a nicer descent.
From Ogwen head tO Carnedd Llewelyn but traverse left along a trod, hold your height and arrive at Yr Elen.. then of out to the end...
The only big choices are how to start, returning to bwlch coch and what to do between Tryfan and Pen Yr Ole Wen.