The Dawulun Fort is situated at the peak of Dawulun Mountain, east of Lover’s Lake. It is an important military base to defense the invader from west side of Keelung Harbor. Built during the Qing dynasty in 1820, the Dawulun Fort had gone through Opium War in 1840 and the Sino-French War in 1884. Decades have passed, the current site may renovate during the colonial period. Now this place is designated to be class 2 national historical monuments. Inside the fort, you can see the remaining of huge water tank, bunkers, barracks, underpass, etc.