You can book ahead with this taxi company and they will attempt to pool you with other pilgrims to share the cost.
https://taxipamplona.com/en/the-way/?noredirect=en-US
Thanks for reply. Looks like might have to fall back to taxi…it was a bit expensive, though. And hope can find a fellow pilgrim on the train from Madrid to share the cost. Ha, i have also thought about the “thumbs out” option. Buen Camino!
Uber is still not very common in huge parts of Europe, and if, maybe in the larger cities but very rarely so in rural areas / smaller villages.
You'll probably have more luck stopping a random car with thumbs out!
There's really good and cheap...
There is however a service called Blablacar which is a carpooling service.
If you use the omio.com website then that will point you towards the availability or not of a ride on the day that you are interested in. However you probably have to...
This site is run by Ivar at in Santiago de Compostela.
This site participates in the Amazon Affiliate program, designed to provide a means for Ivar to earn fees by linking to Amazon