1. San Sebastian, Spain

San Sebastián, also known as Donostia, is a stunning coastal city in Spain’s Basque Country, beautifully nestled between the Bay of Biscay and three charming mountains; Monte Urgull, Monte Igeldo, and Monte Ulia.
While famous for its golden beaches, world-class cuisine, and dynamic culture, the city’s scenic hills offer unforgettable views, historic forts, lush hiking trails, and even a classic amusement park.
Whether you seek peaceful nature escapes, thrilling rides, or panoramic ocean vistas, San Sebastián’s mountains add a magical outdoor dimension to this charming seaside gem.