Keng Khan, Laos offers 1 beach perfect for sunbathing, surfing, swimming, and more. Phongsaly is known for its traditional Akha villages and the scenic Phou Den Din National Protected Area. The best time to travel to Keng Khan, Laos, is from November to February, with average air temperatures around 20-25°C (68-77°F) and water temperatures in the rivers and waterfalls around 20-22°C (68-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!