Tamsui Fort, also known as Fort San Domingo, is a historic fortification located in Tamsui, Taiwan. Built by the Spanish in 1629 and later expanded by the Dutch and the Qing Dynasty, it served as a military stronghold to protect the area from invasions. The fort offers stunning views of the Tamsui River and the surrounding landscape. Today, Tamsui Fort is a popular tourist attraction, showcasing its well-preserved architecture and rich history. Visitors can explore the fort's various structures, including the main gate and watchtowers, while learning about its significance in Taiwan's colonial past.