On your last day in Gijón, engage in some outdoor activities. Start with a bike ride along the scenic coastal path, enjoying the fresh sea breeze. If you're feeling adventurous, try surfing or paddleboarding at one of Gijón's beaches. Alternatively, you can go hiking in the nearby Sierra del Sueve, known for its stunning landscapes and wildlife. End your trip with a relaxing picnic in one of Gijón's parks, reflecting on the wonderful experiences you've had during your week in the city.