Activities in National Parks, Pyrenean mountains and protected islands require seasonal access/permits. Barcelona and Alhambra timed ticketing should be checked. Islands need separate transfers; not a single connected road itinerary. The longest practical regional discovery of Spain’s autonomous communities and island groups, from Atlantic Galicia and Basque Country to Andalusia, the Balearics and the Canaries. Choose individual coded activities; use separate regional modules for distant destinations.