Los Llaos, Spain offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Los Llaos, Cantabria, Spain, is known for its proximity to the stunning Picos de Europa National Park. The best time to travel to Los Llanos, Spain, is from May to September, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!