Dundeoksan ((둔덕산)) is a mountain in Uiseong-eup, Uiseong-gun, Gyeongsangbuk-do. It's a relatively low mountain, located just east of the town. Its peaks are 285.5 meters, 230.5 meters, 306.5 meters, and 252.8 meters. A trail traverses the peaks, from Sangni 2-ri on the east to the tennis courts in Uiseong on the west.