Sanhetai Inn Yu-county is located in Wenquan ancient town, Yuxian County, Hebei Province. Known as 'the first village of Hebei Folk Culture', xigubao is a typical ancient castle in Yuxian County and even Hebei Province. The famous xigubao village is commonly known as 'zhaibao'. Two kilometers to the west is the provincial boundary between Hebei and Shanxi. The ancient castle was built in the Jiajing period of Ming Dynasty, expanded and continued to be built in the late Ming Dynasty and the early Qing Dynasty. It is one of the most unique and well preserved examples of the 800 ancient Yuzhou castles, which integrates the four cultural wonders of 'ancient folk houses, ancient temples, ancient castles and ancient theatres'.
The inn is divided into two courtyards of 'Junma mansion' and 'yichengde', with an interval of about 10 meters. Each courtyard has its own characteristics and is antique.