Goryeo-san (436m) (northern Ganghwa-do) (including Byeollim-san 400m & Bongcheon-san 291m) Site of several important Buddhist temples (Jeokseok-sa, Cheongryeon-sa & Baekryeon-sa) and Shamanic shrines including the large new dang of "National Shaman" [Gukmu] Kim Kum-hwa, one of Korea's most famous Manshin, and a variety of Goryeo Dynasty relics associated with various legends (including a fortress & royal tomb), and several of the greatest Dolmen of ancient proto-Korea .