One-Day Cantabria Itinerary in October: 1. Morning: Santillana del Mar - Type: Historic Village - Description: Start your day by visiting the beautiful medieval village of Santillana del Mar. Explore its cobbled streets, well-preserved buildings, and the impressive Collegiate Church of Santa Juliana. - Duration: 2 hours - Address: Plaza Mayor s/n, 39330 Santillana del Mar, Cantabria, Spain - Google Maps: https://www.google.com/maps/dir/Plaza+Mayor+s/n,+39330+Santillana+del+Mar,+Cantabria/Soplao+Cave,+Cantabria/ 2. Afternoon: Soplao Cave - Type: Natural Attraction - Description: Discover the magnificent Soplao Cave, renowned for its stunning stalactite and stalagmite formations. Take a guided tour through its chambers and learn about the fascinating geological history of the cave. - Duration: 2 hours - Address: 39553 Celis, Rionansa, Cantabria, Spain - Google Maps: https://www.google.com/maps/dir/Plaza+Mayor+s/n,+39330+Santillana+del+Mar,+Cantabria/Soplao+Cave,+Cantabria/ 3. Evening: Comillas - Type: Coastal Town - Description: End your day in the charming town of Comillas, known for its stunning beaches and remarkable architecture. Visit the El Capricho, a unique building designed by Antoni Gaudí, and explore the beautiful historic center. - Duration: 2 hours - Address: Calle de Isaac Peral, 39520 Comillas, Cantabria, Spain - Google Maps: https://www.google.com/maps/dir/Soplao+Cave,+Cantabria/Playa+del+Comillas,+39520+Comillas,+Cantabria/ Note: The provided Google Maps links include the route between each attraction. Please ensure to check the opening hours and availability of the attractions beforehand to ensure a seamless experience during your visit. Enjoy your trip to Cantabria!