Found in Hwasun County, South Jeolla, 34.9775414°N 126.931551°E, these dolmens are also located on the slopes of hills and follow the Jiseokgang river. The Hyosan-ri group contains 158 dolmens and the Dasin-ri group, 129. These dolmens are less well preserved than the Jungnim-ri group. The quarry where some of the stones of this group were carved out has been located. This group is dated to around the sixth or fifth century BCE.