The Rock-carved triad buddha in Seosan is located at Gayasan, Unsan-myeon, Seosan, South Chungcheong Province. The Standing Buddha Reborn was sculptured in the center which is 208 centimeter high, with a standing image of a bodhisattva on his right side and an image of the Bangasayusang on his left side. It is also known as "the smile of the Baekje", and it is considered to be a notable example of Buddhist images carved on rock cliffs and which were made by digging into the natural rocks and sculpting the statue.