{Finally snaps out of it and attempts temporal rift repairs(with a bicycle tire repair kit, as the fabric of space time is quite similar to an inner tube).} I just need a bucket of water now, to pinpoint the leak..

Only thing left open to me now - Llanberis

Nearly at Llyn Ystradau - stationary over Nant Ddu. I should have taken Pencefn Road.

You can't beat a good old Nant Gwernol

Now I've had a little time to reflect, I'm not sure my first move was valid.