The mountains are undulating throughout the county. In particular, the Dong is a rough mountainous area such as the Taebaek Mountain Range and the Juwang Mountain Range, bordering Yeongdeok-gun and Pohang City, and the Bohyeon Mountain Range in the south borders Yeongcheon-si, and the Samdo Mountain Range, the vein of the Bohyeon Mountain Range, is the center of the County It flows east and west across and connects Yeonhaengsan to Andong-si, and the topography is divided into north and south, and Yongjeoncheon combines the tributaries flowing from Juwangsan-myeon and Bunam-myeon, passing through Cheongsong-eup and Pacheon-myeon, Bohyeoncheon, which was merged and originated from the Bohyeon Mountains, flows to Imha Dam by combining the tributaries flowing through Hyeondong-myeon via Hyeonseo-myeon and Andeok-myeon. The topography is generally inclined from east-west north to south, and the soil belongs to hard loam and is generally barren.