Mantak Raya, Indonesia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Mantak Raya is known for its proximity to the stunning natural beauty of the Leuser Ecosystem and the Gunung Leuser National Park. The best time to travel to Mantak Raya, Indonesia, is from May to September, with average air temperatures around 27°C (81°F) and water temperatures near 29°C (84°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!