Xiyu Western Fort Located by the seashore in Waian Village， Penghu County， covering an area of 8 hectares， Xiyu Western Fort is also surrounded by solid walls in all directions and is the most complete and largest ancient fort in Penghu. In Sino-French War， Penghu was defeated by the solid boat and armament of France， so that the French army occupied Xiyu and Makung. "Xiyu Western Fort" was personally inscribed by Li Hong-Chang， so it is also called "Li Hong-Chang's Ancient Castle" and "Western Fort Castle". As the same as Xiyu Eastern Fort， it is also listed as a Class A heritage and is actively being maintained. Xiyu Western Fort is besieged in the basalt terrain， so it is of the same height to the ground. At end of the castle is the sea cliff. The castle overlooks the Waian Harbor and is strategically situated. With four cannons inside， the castle extends in all directions and was an important military fortress at that time. In Xiyu Western Fort， besides the double arches of the main entrance， you can also see many arches endlessly stretching to all directions， so that soldiers can conveniently contact each other. The trenches， arches and emplacements inside Xiyu Western Fort are all very spectacular. Xiyu Western Fort is once of the attractions in Penghu tourists should not miss. In Xiyu Western Fort， besides the magnificent and imposing fort buildings， the seaside views of Xiyu Western Fort should also not be missed. And there are many special plants inside， outside and nearby， all scenery very beautiful. Among all military fortresses， it is really extremely wonderful and very special， which you should not miss.