Chenggong, Taiwan offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Chenggong, Taiwan Province, Taiwan, is known for Sanxiantai, a scenic coastal area featuring a famous arched footbridge and unique rock formations. The best time to travel to Chenggong, Taiwan, is from March to May, with average air temperatures around 20-25°C (68-77°F) and water temperatures approximately 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!