Doing the maths: 14 days in SJPdP, 14 days in SdC, 40 days walking from one to the other = 68 days. That leaves 22 days to get to Porto, have a look round and get out before your 90 days is up. You should be OK.
Remember that it is 90 days out of any consecutive 180 days.
A short trip outside the Schengen zone does not reset the 90 days or the 180 days to zero.
You saw my post saying that “the UK and EU (Spain) are still negotiating about the Gibraltar agreement”. I deleted it because I initially wasn’t sure about the current de facto situation. The status of flights between the UK and Gibraltar doesn’t...
To answer this part of your question…. If you have completed the HosVol training and this is your first time and you would like to volunteer at a HosVol run donativo albergue, you put in your application via the organisation that trained you in...
I'm thinking we should not be advising people to do things that are not legal, based on the probability of getting caught. This is a retired lawyer talking, but it's just my two cents
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