The way points of this bicycle route:
RT A4224
SO Rbt
SO@XRds
R@T?
Rbt 1st Exit
RT SP Hospital
Over A55
Mini Rbt 1st Ext SP NCR8
RT SP NCR8 (rough lane)
R@A487
Rbt 1st Exit
Rbt Last exit A545
Regroup
Rbt 1st exit over bridge
Rbt, SO A487SP Caernarfon
Before A55 LT of rd back up rough lane NCR8?
L@T
R@minirbt
Over A55
L@T A487
Rbt Last exit, NCR8?
RT before AA487 flyover
L@T
Follow NCR8
Regroup
Join West H Rail,NCR8
Cross A499, Keep to C/W
Stay on C/W
LT over bridge & Through farm yard
L@T
R@T
R@T
LT SP Llanystumdy NCR8
R@T Criccieth
L@T SP Llanystumdwy
Over Bridge L
R@T Caution Walled Descent
SO Xrds
Lunch?
Along Seafront, Over Level Crossing
R@T and follow to Porthmadog
Rbt3rd ext A487 High St
Get onto CW at bridge
LT SP NCR8
R@T?
LT
R@T
Over Toll bridge
R@T SP Harlech
RT Steep Climb to Castle
Retrace Steps to Porthmadog
Follow C/W through Back of Town
Rejoin A487 toward Tremadog
Snowdon Lodge on Right near Church