I saw someone had asked this same question. Trying to book Cuevas tour online ahead of our visit to Cantabria area. The official site requires DNI to book. Is there a way to book in advance without a DNI?
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I saw someone had asked this same question. Trying to book Cuevas tour online ahead of our visit to Cantabria area. The official site requires DNI to book. Is there a way to book in advance without a DNI?
I may be leading you astray, but I believe that we (from the USA) used our passport numbers.
I used my passport number.