Melenagz, Turkey offers 1 beach perfect for sunbathing, surfing, swimming, and more. Melenagz, Duzce, Turkey, is known for the Melen River, which is popular for white-water rafting and nature tourism. The best time to travel to Melenagz, Turkey, is from June to September, with average air temperatures around 25-30°C (77-86°F) and water temperatures around 24-28°C (75-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!