The North Gate (Chengen Gate) is one of the surviving ancient city gates of Taipei City. Its architecture combines brick and stone with arched designs, showcasing the elegant style of a Qing Dynasty city gate. The gate retains the original city walls and defensive structures, bearing witness to urban development and historical changes. The surrounding environment has been well-maintained, with walkways and interpretive facilities for easy visitor access and photography. The North Gate is not only a witness to the city's history but also an important symbol of cultural preservation, allowing the public to understand the defensive history and ancient architectural features of Taipei City.