Costa Azul is a stunning region, and traveling by train with your daughter sounds like a delightful adventure. Let’s create a relaxed 8-day itinerary that allows you both to soak in the beauty and charm of the area.

Day 1: Arrival in San Sebastián

Morning: Arrive in San Sebastián. Check into your hotel and take a moment to settle in.
Afternoon: Stroll along La Concha beach. The views are breathtaking, and it’s a great way to kick off your trip!
Evening: Enjoy a pintxos dinner in the Old Town (Parte Vieja). Try some local specialties like “gilda” (a skewer of olives, anchovies, and peppers) and “txangurro” (spider crab).

Day 2: San Sebastián Exploration

Morning: Visit the San Telmo Museoa to learn about Basque culture.
Afternoon: Take the funicular up to Monte Igueldo for panoramic views of the city. There’s a small amusement park at the top, which could be fun for your daughter!
Evening: Have dinner at a seaside restaurant. Don’t forget to try the local seafood!

Day 3: Day Trip to Getaria

Morning: Take a train to Getaria (about 30 minutes). Explore this charming fishing village.
Afternoon: Visit the Cristobal Balenciaga Museum and enjoy a leisurely lunch at a local seafood restaurant.
Evening: Return to San Sebastián. If you’re up for it, take a sunset walk along the beach.

Day 4: Travel to Bilbao

Morning: Take a train to Bilbao (about 1.5 hours). Check into your hotel.
Afternoon: Visit the Guggenheim Museum. The architecture is as stunning as the art!
Evening: Explore the Casco Viejo (Old Town) and enjoy dinner at a local restaurant. Try “bacalao a la vizcaína” (cod in a red sauce).

Day 5: Bilbao and Surroundings

Morning: Visit the Bilbao Fine Arts Museum or take a stroll along the Nervión River.
Afternoon: Take a short train ride to the nearby town of Getxo. Walk along the beach and visit the iconic hanging bridge, Puente Colgante.
Evening: Return to Bilbao for dinner. Enjoy some more pintxos or a traditional Basque meal.

Day 6: Travel to Santander

Morning: Take a train to Santander (about 2.5 hours). Check into your hotel.
Afternoon: Visit the Palacio de la Magdalena and enjoy the beautiful gardens.
Evening: Stroll along the beach promenade and have dinner at a local restaurant. Try “sobaos” (a local cake) for dessert!

Day 7: Day Trip to Santillana del Mar

Morning: Take a train or bus to Santillana del Mar (about 30 minutes). This medieval town is a must-see!
Afternoon: Explore the cobblestone streets and visit the Altamira Caves (if time allows). Have lunch at a local café.
Evening: Return to Santander. Enjoy a relaxed dinner and perhaps a walk along the beach to end the day.

Day 8: Departure

Morning: Enjoy a leisurely breakfast and some last-minute shopping or sightseeing in Santander.
Afternoon: Depending on your departure time, you might have a chance to visit the Maritime Museum or just relax at the beach.
Evening: Head to the train station for your journey home, filled with wonderful memories!

This itinerary allows for a relaxed pace, with plenty of time to explore and enjoy the local culture. Make sure to check train schedules in advance, and don’t hesitate to adjust the plans based on your interests and energy levels. Have a fantastic trip with your daughter! 🌊🚂✨