Eternal Golden Castle

Eternal Golden Castle (Erkunshen Fortress) is a 19th‑century coastal fort in Tainan, built during the Qing dynasty to defend against naval threats. Its star-shaped earthworks, red-brick walls, moat, and restored Armstrong cannons illustrate late Qing military engineering. Visitors can walk ramparts, view gun emplacements, and learn about Taiwan’s coastal defense history through onsite displays. The grassy grounds and moat paths make for a relaxed stroll, especially near sunset. It’s best for travelers interested in military heritage, Qing-era architecture, or quieter historic sites; those seeking elaborate interiors or extensive artifacts may find it modest.