In reply to DaveHK:
Ron’s book is wrong on a few sections, he took the legally correct line, not the line everyone takes.
its pretty straightforwards, certainly use food and water drops. Nav wise the hardest sections are siabod to the moelwyns, it’s hard to know which summits are the correct ones, and aberglaslyn through to moel hebog.
pont caer gors will need asking about, there may be access issues now.