Tu Loan, Vietnam offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tu Loan, Quang Binh, Vietnam, is known for Phong Nha-Ke Bang National Park. The best time to travel to Tu Loan, Vietnam, is from December to April, with average air temperatures around 24-30°C (75-86°F) and water temperatures approximately 25-28°C (77-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!