Las Cascadas, Chile offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Las Cascadas, Los Lagos, Chile, is known for its proximity to the stunning Petrohue Falls and the picturesque Osorno Volcano. The best time to travel to Las Cascadas, Chile, is during the summer months of December to February, when the average air temperature is around 68°F (20°C) and the water temperature is approximately 59°F (15°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!