Designated as scenic spot 111 in 2014, Saseongam Temple is located at the top of Osan, 531 meters above sea level. It is said to have been built by Yeonkijosa in 544 (the 22nd year of King Sung, Baekje). It was called Osan and it was later called Saseongam Temple in honor of the four saints, Wonhyo, Dosun, Jingak, Uesan who practiced spiritual exercise here.