I found it to be a pleasant stroll. No real challenges, some nice towns here and there, a couple of options where one option was shorter but very urban while the other was slightly longer and less urban.
I managed to catch a street market the day before I left.
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You will have lots of company.
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Alcohol is cheaper on the Portuguese side of the border and so there are quite a few supermarkets just south of the border. May be worth walking across the bridge, depends on your own interests.
The first time that I came across a giant hibiscus flower was in Tui
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There were other nice flowers along the way.
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My favourite spots were coastal towns like this one.
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My favourite pastime was sampling the local pastries.
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But overall, I much prefer longer Caminos but you, of course, will have your own desires and expectations that result in your own experience