"Tian Gou An Historical Site Park" is located next to Hotel Jih Sun Kaga, which used to be the first privately owned Japanese hot spring resort "Tian Gou An" in Beitou. It laid the foundation for the development of Beitou's hot spring industry and witnessed the history of Beitou's hot spring development. Today, it has been transformed into a park called "Tian Gou An Historical Site Park" with a natural Japanese garden landscape.