Speaking of guidebooks... I used the Confraternity of St James Camino Primitivo guide. And here is another good on-line map with notes:
https://www.google.com/maps/d/u/0/viewer?mid=1f9I3xhlVFGVCI-fLn4h9VK3cMPo&ll=43.33176460043873,-6.589111347460857&z=14
I agree with pilgr, "There are some...