As a mountain of the curious rock cliff, which is rising aloft soaking its feet in Lake Uiam and Bukhan river, this mountain with the height of 654 m has a main peak called Yonghwabong. This mountain is located 80 km far away to the north from Seoul city, and 10 km far away to the southwest from Chuncheon city.

This mountain is located right to the west of Uiam dam of Gyeongchun national highway, and to the south, getting along the riverside flowing into Bukhan river, Mt. Geombongsan and Mt. Bonghwasan are located. Main peaks are three such as Cheongunbong(546 m), Deungseonbong (632m), along with Yonghwabong, so this mountain is called Mt. Samaksan, and a ridge stretching down from the three peaks consists of rocks. Main crags consisting of the mountain are sorts of quartzite, which are the metamorphic crags produced when the sandstone, which was accumulated around from 570 million years ago to 2,500 million years ago, was under a high temperature and high pressure.
From the summit, Lake Uiam and Bukhan river are seen. As a fortress of the heaven¡¯s blessing, which used the precipitous geographical features of the mountain, here and there in the ridge, there remain about 470 m of traces, which are reported that they were the castle sites of Maekguk or the palace sites built by King Gungye of Later Three Kingdoms.
As cultural properties in addition to them, there are Geumseonsa temple, Sinheungsa
temple, Heungguksa temple, and Sangwonsa temple around the mountain. The size of the mountain is not great or magnificent, but since this mountain has graceful landscapes and consists of curious rocks, many climbers visit here. Among noted places, Deungseon waterfall(or Gyeongju waterfall) has the 2nd and 3rd waterfall in addition to the 1st waterfall with the height of 15 m, and additionally, large and small waterfalls such as Deungseon, Biseon, Seunghak, Bakryeon, Juryeom waterfall are followed.