Pen yr Ole Wen to Carnedd Dafydd, then Pen yr Ole Wen to Llyn Ogwen

There is plenty of parking along the A5 between Tryfan, and the car park at the Café/Toilet area at the western end of Llyn Ogwen. It is probably better to park closer to the café area than walk back along the road to the start at Glan Dena. Bus services run along the A5 between Bangor/Bethesda and Betws-y-coed.
(photo:  Pen yr Ole Wen from near Llyn Ogwen ....  under a little cloud)

en yr Ole Wen from near Llyn Ogwen ....  under a little cloud
Starting from Glan Dena at the eastern end of Lyn Ogwen, followed the track past the cottage until the farm entrance.  At the farm gate, take the path right to a stile, cross the stile then follow the path uphill on the left of Afon Lloer.  The path is a little vague and boggy, although there is a couple of poles with yellow bands marking the route. 
(photo:  Tryfan across the valley)
Tryfan across the valley)
The path eventually reaches another wall stile. Cross over and continue on the path right, then left, to near Flynnon Lloer. Just before Flynnon Lloer, the path veers left and up to a rock gully. A very gentle scramble leads to the top of the gully, from where the path continues, eventually zigzagging to the summit of Pen yr Ole Wen.
(photo:  Looking down on Flynnon Lloer)
Looking down on Flynnon Lloer
Follow the path over Bwlch yr Ole Wen as it skirts north/north-east around the edge of Cmw Lloer, passing over the rocky ‘bump’ of Carnedd Fach. (The path is well defined on the barren ground.) A final gentle incline leads to the broad rocky summit of Carnedd Dafydd. There is a couple of rock shelters at the summit.
(photo:  Pen yr Ole Wen on the return ... the fog beginning to clear)
Pen yr Ole Wen on the return ... fog beginning to clear
Retrace the route back to Pen yr Ole Wen.  From the summit, head south onto the path that leads down to the A5 near the Café. The path is not easy to follow initially, as it passes over the rocky south side of Pen yr Ole Wen.
(photo:  Looking across through the clouds to Foel-goch from the slopes below Bwlch yr Ole Wen)
Looking across through the clouds to Foel-goch
Eventually, it reaches the western edge of Pen yr Ole Wen, at which point the worn path becomes clearer. The route now becomes steep and loose as it winds its way down to meet the A5. 
(photo:  A clear view back to Carnedd Dafydd)
A clear view back to Carnedd Dafydd
At the road, turn left and follow the road to the start.
(photo:  Looking back along Llyn Ogwen towards Y Garn under cloud)
Looking back along Llyn Ogwen towards Y Garn under cloud

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