Starting vasco in a week, any tips?

It's a couple of years since I walked the Vasco. I did use Gronze as main source alongside a gpx track I downloaded on to my phone. Just make sure you know where the split of the Vasco to Sant Domingo and the Bayona to Burgos happens - and then I did the Bayona which just after that split used to have a range of options to reach Miranda, don't know if this is still causing confusion.

I didn't do the Saiatz as it was raining and didn't want to chance it- so stayed on the tar bike path in the valley floor- which as it rained all day made for easy enough walking though not delightful. I even did the old route by the main road to Segura rather than Olaberria due to poor weather which was mainly a bike path by the main rd (this one I would say had little to recommend it except it was shorter- Olberria is the better route though there is one drop down to Idiazabel which in bad weather that can be slippy).

Sorry can't help with Saiatz alternative