Rugao Ancient City, situated in Rugao City, is a distinctive historical site characterized by its unique layout. The city is divided into two parts: the inner city and the outer city. The outer city, which is circular in shape, contrasts with the square-shaped inner city, creating an appearance reminiscent of an ancient coin.
The inner city boasts the Yudai River but lacks a city wall. Despite this, it is well-protected with six city gates. On the other hand, the outer city is encircled by the Haohe River and fortified with a city wall. In addition to its four city gates, it also features two water gates, located in the eastern and northern directions.
Visitors can explore Rugao Ancient City at any time of the day, with the site being open throughout the year.